| Chip | Title | Overview | Documents |
|---|---|---|---|
| CH32F103 CH32F103(CN) | 32-bit General Enhanced Cortex-M3 MCU | The CH32F1 is a general-purpose MCU based on 32-bit Cortex-M3 core. The CH32F1 integrates clock security system, multi-level power management, general DMA controller, etc. The CH32F1 provides abundant peripherals, such as 2-channel USB2.0 interface, multi-channel TouchKey, 12-bit DAC converter module, multi-channel 12-bit ADC, timers, CAN communication controller and I2C/USART/SPI, etc. | CH32xRM.PDF |
| CH32F203 CH32F203(CN) | 32-bit Enhanced Low-power Cortex-M3 MCU - CH32F203 | The CH32F203 is an industrial-grade enhanced low-power general-purpose MCU based on the Cortex-M3 core. CH32F203 features high performance. The system clock frequency can be up to 144MHz. Operating power consumption is as low as 69uA/MHz at the highest system clock frequency. CH32F203 integrates 2-channel USB interface which supports USB Host and USB Device functions, and provides abundant peripheral resources such as 1-channel CAN interface (2.0B active), 2 OPAs, 3 UARTs, 2 IIC interfaces, 12-bit ADC clock, and 10-channel Touchkey. | CH32F20xDS0.PDF CH32FV2x_V3xRM.PDF |
| CH32F207 CH32F207(CN) | 32-bit Interconnectivity Cortex-M3 MCU - CH32F207 | The CH32F205/7 is an industrial-grade interconnectivity MCU based on the Cortex-M3 core. The system clock frequency can be up to 144MHz, and GPIO is supplied independently (separated from the system power supply). Compared with CH32F103, CH32F205/7 has an additional random number unit and 4 operational amplifier comparators. The number of UARTs is increased to 8, and the number of motor timers is increased to 4. CH32F205/7 provides clock security system, power management, dual DMA, DAC, SDIO, CAN, FSMC and other resources. CH32F205/7 also provides USB2.0 high-speed interface (480Mbps) with built-in PHY transceiver, and Ethernet MAC upgraded to Gigabit with integrated 10M PHY module. | CH32F20xDS0.PDF CH32FV2x_V3xRM.PDF |
| CH32F208 CH32F208(CN) | 32-bit Wireless Cortex-M3 MCU - CH32F208 | The CH32F208 is a wireless MCU based on the Cortex-M3 core. The system clock frequency can be up to 144MHz. The CH32F208 integrates 2Mbps Bluetooth Low Energy communication module, 10M Ethernet module (MAC+PHY), USB2.0 full-speed device interface and host/device interface, CAN controller, etc. | CH32F20xDS0.PDF CH32FV2x_V3xRM.PDF |
| CH32L103 CH32L103(CN) | 32-bit PDUSB Low-power MCU CH32L103 | CH32L103 series is an industrial-grade low-power general-purpose microcontroller based on QingKe RISC-V core. CH32L103 built-in USB and PD PHY, support PDUSB, including USB Host and USB Device functions, USB PD and Type-C fast charging function, built-in low-power timer, provides 1 OPA, multiple groups of CMPs, 4 USARTs, 2 I2C, 2 SPIs, 1 CAN, multi-group timers, 12-bit ADC, 10-channel Touchkey, etc. | CH32L103DS0.PDF CH32L103RM.PDF |
| CH32V003 CH32V003(CN) | 32-bit general-purpose RISC-V MCU-CH32V003 | CH32V003 series is based on QingKe RISC-V2A core design of industrial-grade general-purpose microcontroller, support 48MHz system main frequency, with wide voltage, 1-wire serial debug interface, low-power consumption, ultra-small package, etc. CH32V003 series built-in a group of DMA controller, a group of 10-bit ADC, a group of op-amp comparators, multiple timers and standard communication interfaces USART, I2C, SPI, etc. | CH32V003DS0.PDF CH32V003RM.PDF |
| CH32V103 CH32V103(CN) | 32-bit General Enhanced RISC-V MCU – CH32V103 | The CH32V103 is a general purpose microcontroller based on the 32-bit RISC processor RISC-V3A. The CH32V103 provides clock security system, multi-level power management and general DMA controller. The CH32V103 is also equipped with abundant peripheral resources, such as single USB2.0 host/device interface, multi-channel 12-bit ADC module, multi-channel TouchKey, several timers, and multi-channel IIC/USART/SPI interfaces, etc. | CH32V103DS0.PDF CH32xRM.PDF |
| CH32V203 CH32V203(CN) | 32-bit Enhanced Low-Power RISC-V MCU – CH32V203 | The CH32V203 is an industrial-grade enhanced low-power general-purpose MCU based on 32-bit RISC-V core. The CH32V203 features high performance, and supports up to 144MHz system clock frequency. The operating power consumption can be as low as 45uA/MHz. CH32V203 integrates 2-channel USB interface which supports USB Host and USB Device functions. The CH32V203 provides 1-channel CAN interface (2.0B active), 2-channel OPA, 4 UARTs, 2 IICs, 12-bit ADC, 10-channel TouchKey and other peripheral resources. Several packages such as TSSOP20, QFN28 QFN48, LQFP32 and LQFP48 are available for users. | CH32V20x_30xDS0.PDF CH32FV2x_V3xRM.PDF |
| CH32V208 CH32V208(CN) | 32-bit Wireless RISC-V MCU – CH32V208 | The CH32V208 is a wireless MCU based on 32-bit RISC-V core, with hardware stack area and fast interrupt entry. Compared with standard RISC-V, the interrupt response speed is greatly improved. The CH32V208 is based on V4C core. The memory protection unit is added and hardware division cycle is reduced. The CH32V208 integrates 2Mbps BLE communication module, 10M Ethernet module (MAC+PHY), USB2.0 full-speed device and host/device interface, CAN controller, etc. | CH32V20x_30xDS0.PDF CH32FV2x_V3xRM.PDF |
| CH32V303 CH32V303(CN) | 32-bit High-density General RISC-V MCU – CH32V303 | The CH32V303 is an industrial-grade general-purpose MCU based on 32-bit RISC-V core, with hardware stack area and fast interrupt entry. Compared with standard RISC-V, the interrupt response speed is greatly improved. The CH32V303 is based on V4F core. With single-precision float point instruction sets added and stack area extended, the CH32V303 features higher performance, the number of UARTs is extended to 8, and the number of motor timers is extended to 4. | CH32V20x_30xDS0.PDF CH32FV2x_V3xRM.PDF |
| CH32V307 CH32V307(CN) | 32-bit Interconnectivity RISC-V MCU – CH32V307 | The CH32V305/7 is an interconnectivity MCUs based on 32-bit RISC-V core, with hardware stack area and fast interrupt entry. Compared with standard RISC-V, the interrupt response speed is greatly improved. With single-precision float point instruction sets added and stack area extended, the CH32V305/7 features higher performance, the number of UARTs is extended to 8, and the number of motor timers is extended to 4. The CH32V305/7 provides USB2.0 high-speed interface (480Mbps), built-in PHY transceiver and Ethernet MAC upgraded to GbE, and integrates 10M PHY module. | CH32V20x_30xDS0.PDF CH32FV2x_V3xRM.PDF |
| CH32X035 CH32X035(CN) | 32-bit USB+USB PD MCU CH32X035 | CH32X035 is an industrial-grade microcontroller based on the QingKe RISC-V core. CH32X035 has built-in USB and PD PHY, supports USB Host and USB Device functions, USB PD and type C fast charging functions, built-in programmable protocol I/O controller, provides 2 groups of OPA, 3 groups of CMP, 4 groups of USART, I2C, SPI, multiple timers, 12-bit ADC, 14-channel Touchkey and other rich peripheral resources. | CH32X035DS0.PDF CH32X035RM.PDF |
| CH132 CH132(CN) | ULPI Interface High-Speed USB Transceiver – CH132 | The CH132 is a UTMI+ Low Pin Interface (ULPI) Hi-Speed Universal Serial Bus (USB) transceiver that is compliant with USB Specification Rev. 2.0, and UTMI+ Low Pin Interface (ULPI) Specification Rev. 1.1. The CH132 can transmit and receive data at high-speed (480 Mbps), full- speed (12 Mbps) and low-speed (1.5 Mbps). It is ideal for use in MCU or FPGA which has ULPI Interface. | CH32V20x_30xDS0.PDF CH569DS1.PDF CH374DS1.PDF |
| CH182 CH182(CN) | Ethernet PHY Transceiver Chip CH182 | CH182 is an industrial grade 10/100M Ethernet PHY transceiver with Auto-MDIX support. CH182 internally includes Physical Coding Sublayer (PCS), Physical Media Access Layer (PMA), Twisted Pair Physical Medium Dependent (TP-PMD), 10BASE-TX encoder/decoder, Twisted Pair Media Attachment Unit (TPMAU), MII and RMII interfaces, and other modules required for Ethernet Transceiver functions. | CH182DS1.PDF CH390DS1.PDF CH395DS1.PDF CH392DS1.PDF CH9121DS1.PDF CH9120DS1.PDF |
| CH213 CH213(CN) | 5V*0.5A Ideal Diode Chip-CH213 | Overview CH213 is a low dropout ideal diode chip with current limiting function. The chip has integrated modules for over-current protection, short-circuit protection, over-temperature protection, power supply polarity protection, etc. It supports DC applications with no more than 1A current at 5V, and can protect the power supply system by limiting the output current when an over-current condition such as a short-circuit occurs at the VO output, and can protect the load circuit at the VO output when the input power supply polarity is wrong. The CH213 is equivalent to a Schottky Barrier Diode plus a self-recovery fuse, but with a substantially lower on-voltage drop and more rapid over-current protection. | CH213DS1.PDF CH217DS1.PDF |
| CH217 CH217(CN) | USB Current limiting Power Distribution Switch Chip-CH217 | CH217 is a USB port power switch chip with adjustable current limiting threshold. The chip has integrated modules for over-current protection, over-temperature protection, and under-voltage protection, and supports programmable currents of up to 2.7A at 5V, which can limit the output current to protect the power supply system in the event of a short circuit at the VOUT output. | |
| CH224 CH224(CN) | USB PD Protocol Sink IC - CH224 | CH224 integrates multiple fast charging protocols such as USB PD3.0/2.0, BC1.2, with a built-in PD communication module. CH224 has features of high integration and streamlined peripherals. CH224 integrates output voltage detection function, and provides over-temperature and over-voltage protection, etc. It can be widely used in various electronic equipment to expand high-power input such as wireless charger, electric toothbrush, rechargeable shaver, lithium battery power tools and other applications. | CH236DS1.PDF CH549DS1.PDF CH237DS1.PDF |
| CH233(CN) | USB PD快充协议芯片 CH233 | CH233为SOT23-6封装的Type-C单口快充协议芯片，支持3.3V~21V的PD3.0/2.0、PPS快充协议。支持TL431等各类电压基准或DC-DC系统的FB灌电流调节。 | |
| CH234 CH234(CN) | USB PD and Other Fast Charging Protocol IC - CH234 | CH234 integrates multiple protocols such as USB PD, supports PD3.0/2.0, BC1.2 and other fast charging protocols, supports isolated AC/DC constant voltage or current-limited high-voltage power management, and supports DC/DC power management. CH234 features high integration and streamlined peripherals. Integrated VBUS detection and discharge function. CH234 provides over-temperature, over-voltage, and over-current protection, etc. Can be widely used in various occasions such as AC power adapter, car charger, UPS, power bank and so on. | |
| CH235 CH235(CN) | USB PD and Other Fast Charging protocol IC CH235 | CH235S is a Type-C single-port fast charging protocol chip with ESSOP-10 package. CH235S supports PD3.0/2.0, PPS and other Type-C fast charging protocols, and supports BC1.2 and other Type-A fast charging protocols. CH235S supports TL431 and other voltage references or FB sink current regulation of DC-DC system. CH235S integrates VBUS detection and discharging functions, and provides over-voltage protection, under-voltage protection, over-current protection and over-temperature protection. CH231K is a simplified version of CH235S, with SOT23-6L package. Compared with CH235S, CH231K omits the following functions: DP/DM related Type-A protocol support, VBUS discharging, current compensation, over-current protection and over-temperature protection. | |
| CH236 CH236(CN) | USB PD and other fast charging protocol chip CH236 | CH236 single chip integrated USB PD and other protocols, support PD3.0/2.0, QC3.0/2.0, FCP, BC1.2 and other fast charging protocols, support AC / DC constant voltage or constant current output mode, built-in DC / DC Control module, high integration, and peripheral simplicity. Integrated VBUS detection and discharge functions, and provide over temperature, over voltage, over current protection. Can be widely used in AC power adapters, car chargers, UPS, power banks and other occasions. | |
| CH237 CH237(CN) | Type-A/C Dual-port Fast Charging Protocol Controller CH237 | CH237 is a Type-A/C dual-port fast charging protocol controller, supports one Type-C interface and one Type-A interface at the same time, supports fast charging protocols such as PD2.0/3.0, PPS, BC1.2, supports AC-DC and DC-DC power management, supports constant voltage loop and constant current loop, high integration and simplified peripherals. It supports VBUS detection and discharge functions, and provides over-voltage, over-temperature and over-current protection, etc. CH237 can be widely used in various occasions such as AC power adapter, car charger, UPS and power bank. | |
| CH241(CN) | 无线充电接收管理芯片 CH241 | 无线充电接收端管理芯片 CH241，双路输出电压检测机制，以及输出控制使能。最大支持 5W 输出功率，外加部分客户自定义软件可轻松实现Qi等各类无线充电方案。该芯片可广泛应用于各类小功率无线充电接收端设计电路中。 | |
| CH246 CH246(CN) | Wireless charging management chip CH246 | Wireless charging management chip CH246, single-chip integrated wireless charging transceiver module and small signal decoding circuit, plus some customer-defined software can easily realize various wireless charging solutions such as Qi. Support PD, QC multiple protocol fast charge input, support 5W, Apple / millet 7.5W, Samsung 10W wireless charging output. CH246 integrates full-bridge NMOS driver, FSK/ASK decoding, over-voltage and over-current over-temperature detection protection, high integration, and few external components. It can be widely used in various wireless charging base brackets. | |
| CH247(CN) | 无线充电发射端管理芯片 CH247 | 无线充电管理芯片 CH247，单芯片集成无线充电收发模块及小信号解码电路，外加部分客户自定义软件可轻松实现Qi等各类无线充电方案。内置 PD 控制器和 PD PHY 收发器，支持 PD、BC 等快充协议。免编程器支持 USB接口固件升级。CH247 片内集成 FSK/ASK 编解码，过压过流过温检测保护，集成度高，外部器件少，可广泛应用于各类无线充电底座支架等设计。 | |
| CH252 CH252(CN) | USB Type-C Cable E-Marker Chip CH252 | CH252 is a USB Type-C cable E-Marker that supports USB Type-C 2.1 standard and USB PD 3.1 standard and can be used for various Type-C cable related applications. CH252 is shipped with a default configuration burned in and supports updating the configuration data of the finished cable via the Type-C interface. Each CH252 supports up to 5 updates of the configuration data in addition to the default configuration and has a data lock function. | CH252DS1.PDF CH236DS1.PDF CH237DS1.PDF CH247DS1.PDF |
| CH311 CH311(CN) | 主板诊断卡芯片: CH311 | 每次开机后，个人计算机即PC 机都要先执行一个自检和初始化过程，BIOS 将整个过程分解为若干个具体步骤，并在执行每个步骤时从某个特定的I/O端口输出特定的错误代码，当某个步骤检查失败时，相关人员可以根据当时的输出代码了解失败原因，从而分析出故障部件。上述I/O 端口即调试端口（Debug-Port），一般其I/O 地址为80H，上述输出代码即自检码（Post-Code），计算机本身无法显示（此时显卡可能尚未工作），所以一般要由专门的硬件插卡显示出来，这种插卡通常称为主板诊断卡、故障诊断卡、除错卡、调试卡、Debug-Card、Post-Card 等，根据插槽分为ISA卡、PCI 卡。 | |
| CH315 CH315(CN) | USB extension cable control chip: CH315G USB signal isolation control chip: CH315H | USB extension cable control chip: CH315G USB signal isolation control chip: CH315H The CH315H is a USB signal isolation control chip for opto-isolators or magneto-isolators on the USB bus. The CH315 supports full-speed USB transfer and low-speed USB transfer, and supports USB device dynamic plugging and unplugging. The figure below is a block diagram of its general application. | |
| CH317 CH317(CN) | USB 2.0 Extender Control Chip CH317 | CH317 is a USB2.0 extender control chip, which breaks through the limit of USB transmission distance of no more than 5 meters. It extends USB signals by more than 100 meters through low-cost network cables, uses optical fiber lines, extends distances up to km. It supports USB high-speed, full-speed, low-speed, hot-swappable devices, and does not need to install drivers, is compatible with all OSs. CH317 also supports HUB expansion, switch penetration, and can be widely used in computer peripherals, industrial control, medical equipment, security monitoring, etc. | CH315DS1.PDF CH317DS0.PDF CH9350DS.PDF CH374DS1.PDF CH341DS1.PDF CH375DS1.PDF |
| CH331 CH331(CN) | U Disk Control Chip CH331 | CH331 is a small-capacity U disk control chip, which can realize a small-capacity U disk from 2KB to 4MB with the addition of a serial memory chip. The figure below shows the diagram of its general application. | |
| CH334 CH334(CN) | USB HUB Controller – CH334/5 | CH334 and CH335 are USB2.0 protocol compliant 4-port USB HUB controller chips, supporting USB2.0 high-speed and full-speed for upstream ports, and USB2.0 high-speed 480Mbps, full-speed 12Mbps and low-speed 1.5Mbps for downstream ports, supporting not only low-cost STT mode (single TT schedules 4 downstream ports in time share), but also supports high performance MTT mode (4 TTs each corresponding to 1 port, concurrent processing). Industrial grade design with streamlined peripherals for use in computer and industrial control machine motherboards, peripherals, embedded systems, etc. | CH374DS1.PDF CH334DS1.PDF CH32V20x_30xDS0.PDF CH545DS1.PDF |
| CH340 CH340(CN) | USB to Serial Port Chip CH340 | CH340 is a USB bus converter chip which converts USB to serial port or printer port. In UART mode, CH340 provides standard MODEM signals, used to extend serial port for computers, or upgrade directly from normal serial device to USB bus. For more information about converting USB to printer interface, please refer to the CH340DS2 datasheet. | CH341DS1.PDF CH432DS1.PDF CH438DS1.PDF CH9340DS.PDF |
| CH341 CH341(CN) | USB Bridge Controller CH341 | CH341 is a USB bus converter chip which converts USB to serial port, printer port, parallel port, and common 2/4-line synchronize serial communication interfaces etc. | CH340DS1.PDF CH432DS1.PDF CH315DS1.PDF CH438DS1.PDF CH9340DS.PDF |
| CH342 CH342(CN) | USB to Dual Serial Ports Chip CH342 | CH342 is a USB bus converter chip, which converts USB to dual serial ports. | |
| CH343 CH343(CN) | USB to High-Speed Serial Port Chip CH343 | CH343 is a USB bus converter chip, which converts USB to serial port. Supports automatic identification and dynamic adaptation of communication baud rate of 115200bps and below, provides standard MODEM signal, used to expand serial port for computer or upgrade directly from normal serial device or MCU to USB bus. | |
| CH344 CH344(CN) | USB to Quad Serial Ports Chip CH344 | CH344 is a USB bus converter chip, which converts USB to quad serial ports UART0/1/2/3, and used to expand serial ports for computer or upgrade directly from normal serial device or MCU to USB bus. | CH347DS1.PDF CH340DS1.PDF |
| CH345 CH345(CN) | USB to MIDI Bridge Controller - CH345 | CH345 is a chip which converts USB to MIDI. CH345 supports one MIDI signal input channel and two MIDI signal output channels. Used to make USB MIDI keyboard, MIDI music playback, and convert MIDI electronic musical instrument to USB interface. | |
| CH347 CH347(CN) | High-speed USB converter chip CH347 | CH347 is a high-speed USB bus converter chip that provides UART, I2C and SPI synchronous serial ports and JTAG interface through USB bus. In UART mode, CH347 provides two high-speed serial ports, supports RS485 UART transceiver enable control, hardware flow control, and common MODEM signals, used to extend serial ports for computer, upgrade directly from normal serial device or MCU to USB bus. In synchronous serial interface mode, CH347 provides one 2-line I2C interface (SCL line, SDA line) and one 4-line SPI interface(SCS line, SCK/CLK line, MISO/SDI/DIN line, MOSI/SDO/DOUT line) to extend 2-line or 4-line synchronous serial interface for computer to operate EEPROM, FLASH, sensors, etc. In JTAG mode, CH347 provides a JTAG interface that supports either a 4-line or 5-line interface (TMS, TCK, TDI line, TDO line, and TRST line) for extending JTAG interface for computer to operate devices such as CPU, DSP, FPGA, and CPLD. | CH344DS1.PDF CH348DS1.PDF CH9102DS1.PDF CH9103DS1.PDF CH343DS1.PDF CH340DS1.PDF |
| CH348 CH348(CN) | USB to Octal Serial ports Chip CH348 | CH348 is a high-speed USB bus converter chip, which converts USB to octal serial ports UART0/1/2/3/4/5/6/7, and used to expand serial ports for computer or upgrade directly from normal serial device or MCU to USB bus. | CH347DS1.PDF CH340DS1.PDF |
| CH351 CH351(CN) | PCI based Dual UARTs and printer port chip CH351 | CH351 is a PCI based dual-channel UARTs and printer port chip，contains Dual UARTs which compatible with 16C550, or a EPP/ECP enhanced bi-directional parallel port. The UART supports transmit and receive automatic switching in half-duplex mode. Supports communication baud rate up to 4Mbps. It can be used for PCI based RS232 serial expansion, PCI high-speed serial with automatic hardware speed control, serial networking, RS485 communication, PCI card with parallel/ printer port expansion etc. The chart below is application project. | CH351DS2.PDF CH365DS1.PDF CH341DS1.PDF CH432DS1.PDF CH382DS0.PDF CH9340DS.PDF |
| CH352 CH352(CN) | PCI based Dual UARTs and printer port chip CH352 | CH352 is a PCI based dual-channel UARTs and printer port chip，contains Dual UARTs which compatible with 16C550, or a EPP/ECP enhanced bi-directional parallel port. The UART supports transmit and receive automatic switching in half-duplex mode. Supports IrDA infrared encode and decode, supports communication baud rate up to 4Mbps. It can be used for PCI based RS232 serial expansion, PCI high-speed serial with automatic hardware speed control, serial networking, RS485 communication, IrDA communication, parallel/ printer port expansion etc. The chart below is application project. | |
| CH353 CH353(CN) | PCI based Dual UARTs and printer port chip CH353 | CH353 is a PCI based dual-channel UARTs and printer port chip，contains Dual UARTs which compatible with 16C550, and a EPP/ECP enhanced bi-directional parallel port. It can be expanded to PCI based Quad UARTs by adds CH432 chip. The UART supports transmit and receive automatic switching in half-duplex mode. Supports IrDA infrared encode and decode, supports communication baud rate up to 4Mbps. It can be used for PCI based RS232 serial expansion, PCI high-speed serial with automatic hardware speed control, serial networking, RS485 communication, IrDA communication, parallel/ printer port expansion etc. The chart below is application project. | |
| CH355 CH355(CN) | PCI based Quad UARTs chip CH355 | CH355 is a PCI based Quad-channel UARTs chip，contains Quad UARTs which compatible with 16C550. Each UART supports communication baud rate up to 4Mbps. It can be used for RS232 serial expansion based by PCI bus, PCI high-speed serial with automatic hardware speed control, serial networking, RS485 communications. The chart below is application project. | |
| CH356 CH356(CN) | PCI based Quad UARTs and printer port chip CH356 | CH356 is a PCI based Quad-channel UARTs and printer port chip，contains Quad UARTs which compatible with 16C550, and a EPP/ECP enhanced bi-directional parallel port. It can be expanded to PCI based 6 or 8 UARTs by adds 1 or 2 CH432 chip. The UARTs supports IrDA infrared encode and decode, supports communication baud rate up to 4Mbps. It can be used for RS232 serial expansion based by PCI bus, PCI high-speed serial with automatic hardware speed control, serial networking, RS485 communications, IrDA communications, parallel/ printer port expansion etc. The chart below is application project. | |
| CH358 CH358(CN) | PCI based Octal UARTs and printer port chip CH358 | CH358 is a PCI based Octal-channel high performance UART with EPP/ECP enhanced bi-directional parallel controller. Each UART is compatible with 16C550 or 16C750. The UART contains independently transmit and receive 128 bytes FIFO buffer. Supports IrDA infrared encode and decode, supports communication baud rate up to 4Mbps. It can be used for RS232 serial expansion based by PCI bus, PCI high-speed serial with automatic hardware speed control, serial networking, RS485 communications, IrDA communications, parallel/ printer port expansion etc. | |
| CH359 CH359(CN) | PCI based 16 UARTs chip CH359 | CH359 is a PCI based 16 UARTs chip，contains 16 UARTs which compatible with 16C550 or 16C750. The UART supports independently transmit and receive 128 bytes FIFO buffer. Supports communication baud rate up to 4Mbps. It can be used for RS232 serial expansion, PCI high-speed serial with automatic hardware speed control, serial networking, RS485 communications, etc. | |
| CH361 CH361(CN) | PCI通用接口芯片:CH361 | 由于第二代产品CH365芯片包含了原CH361芯片的绝大多数功能，并且引脚完全兼容，所以建议新老客户用CH365芯片代替CH361，CH365芯片比CH361功能更多，数据传输速度更快。 | |
| CH364 CH364(CN) | PCIE Extended ROM Controller CH364 | CH364 is a dedicated chip for extend ROM control card based on PCI bus. CH364 provides a capacity of 64KB Electro-erasable/rewritable read-only memory Flash-ROM, supports software simulate two-wire serial port which I2C compatible for data and I/O expansion, dedicated to a variety of PCI control cards with extended ROM, including system recovery card, data protection card, network isolation card, security control card, etc. Because no additional ROM chips are needed, so these are more professional, Better looking, Easier, cheaper and simpler. The figure below shows is application block diagram. | |
| CH365 CH365(CN) | PCI Bus Interface Chip CH365 | CH365 is a universal interface chip that connects to PCI bus, supports I/O port mapping, memory mapping, extended ROM and interrupts. CH365 converts high-speed PCI bus into an easy-to-use 8-bit active parallel interface which similar to ISA bus. It can be used for making low-cost PCI bus-based computer cards, and upgrade ISA bus card to PCI card. Compared with other popular bus, PCI is faster, real-time, better on control, so CH365 is suitable for high-speed real-time I/O control card, communication interface card, data acquisition card, electronic disk, expansion ROM Card and so on. The figure below shows is application block diagram. | CH367DS1.PDF CH368DS1.PDF |
| CH366 CH366(CN) | PCIE Extended ROM Controller CH366 | CH366 is a dedicated chip for extend ROM control card based on PCI-Express bus. CH366 provides a capacity of 64KB Electro-erasable/rewritable read-only memory Flash-ROM, supports software simulate two-wire serial port which I2C compatible for data and I/O expansion, dedicated to a variety of PCIE control cards with extended ROM, including system recovery card, data protection card, network isolation card, security control card, etc. Because no additional ROM chips are needed, so these are more professional, Better looking, Easier, cheaper and simpler. The figure below shows is application block diagram. | |
| CH367 CH367(CN) | PCIE Bus Interface Chip CH367 | CH367 is a universal interface chip that connects to PCI-Express bus, supports I/O port mapping, extended ROM and interrupts. CH367 converts high-speed PCIE bus into an easy-to-use 8-bit active parallel interface which similar to ISA bus. It can be used for making low-cost PCIE bus-based computer cards, and upgrade to PCIE card from ISA or PCI bus based. Compared with other popular bus, PCIE is faster, real-time, better on control, so CH367 is suitable for high-speed real-time I/O control card, communication interface card, data acquisition card and so on. The figure below shows is application block diagram. | CH365DS1.PDF CH368DS1.PDF CH382DS0.PDF |
| CH368 CH368(CN) | PCIE Bus Interface Chip CH368 | CH368 is a universal interface chip that connects to PCI-Express bus, supports I/O port mapping, memory mapping, extended ROM and interrupts. CH368 converts high-speed PCIE bus into an easy-to-use 32-bit or 8-bit active parallel interface which similar to ISA bus. It can be used for making low-cost PCIE bus-based computer cards, and upgrade to PCIE card from ISA or PCI bus based. Compared with other bus, PCIE is faster, real-time, better on control, so CH368 is suitable for high-speed real-time I/O control card, communication interface card, data acquisition card and so on. The figure below shows is application block diagram. | CH365DS1.PDF CH367DS1.PDF |
| CH370 CH370(CN) | USB host interface chip:CH370 | CH370 is a USB bus host interface chip that supports low-speed and full-speed control transfer and bulk transfer and interrupt transfer. It supports 8-bit parallel bus and 4-wire or 3-wire SPI serial bus with MCU/DSP/MPU controllers. | CH376DS1.PDF |
| CH372 CH372(CN) | USB bus interface chip: CH372 | The CH372 is a universal device interface chip for the USB bus. It is an upgraded product of the CH371 and a simplified version of the CH375 chip. At the local end, the CH372 has an 8-bit data bus and read, write, chip select control lines and interrupt output, which can be easily attached to the system bus of the microcontroller/DSP/MCU/MPU; in the computer system, the supporting software of CH372 provides a simple and easy-to-use operating interface, which communicates with the local-side MCU as if reading and writing file. | CH374DS1.PDF CH375DS1.PDF |
| CH374 CH374(CN) | USB bus interface chip: CH374 | CH374 is a USB bus universal interface chip, supports USB-HOST host mode and USB-DEVICE/SLAVE device mode, built-in 3-port root hub, supports low-speed and full-speed control transfer, bulk transfer, interrupt transfer and isochronous transfer. At the local end, CH374 has an 8-bit data bus and read, write, chip select control lines and interrupt output, which can be easily attached to the system bus of the microcontroller/DSP/MCU/MPU controller. In addition, CH374 also provides SPI serial communication mode for saving I/O pins, which is connected to MCU/DSP/MPU through 3-wire or 4-wire SPI serial interface and interrupt output. | CH375DS1.PDF CH372DS1.PDF CH315DS1.PDF CH376DS1.PDF CH440DS1.PDF |
| CH375 CH375(CN) | USB bus interface chip: CH375 | The CH375 is a universal interface chip for the USB bus that supports the USB-HOST host mode and the USB-DEVICE/SLAVE device mode. On the local side, the CH375 has an 8-bit data bus and read, write, chip select control lines and interrupt output, which can be easily attached to the system bus of the microcontroller/DSP/MCU/MPU controller. In the USB host mode, the CH375 also provides serial communication mode, which is connected to the MCU/DSP/MPU through serial input, serial output and interrupt output. | CH374DS1.PDF CH372DS1.PDF CH315DS1.PDF CH376DS1.PDF |
| CH376 CH376(CN) | U disk and SD card file management control chip CH376 | CH376 is a file management control chip for reading and writing files in a USB flash drive or SD card. | CH374DS1.PDF CH372DS1.PDF CH376DS2.PDF |
| CH378 CH378(CN) | U disk and SD card high speed file management control chip CH378 | CH378 is a file management control chip for fast reading and writing of files in U disk or SD card. CH378 supports USB device mode and USB host mode, and has built-in basic firmware of USB communication protocol, built-in firmware for processing the dedicated communication protocol of Mass-Storage mass storage device, built-in communication interface firmware of SD card, built-in FAT16 and FAT32 and FAT12 file system management firmware, support common USB storage devices (including U disk / USB hard disk / USB flash disk / USB card reader) and SD card (including standard capacity SD card and high-capacity HC-SD card and protocol compatibility) MMC card and TF card). | |
| CH382 CH382(CN) | PCI-Express based Dual UARTs and printer port chip CH382 | CH382 is a PCI-Express based dual-channel UARTs and printer port chip，contains Dual UARTs which compatible with 16C550 or 16C750, and a EPP/ECP enhanced bi-directional parallel port. The UART supports independently transmit and receive 256 bytes FIFO buffer. Supports IrDA infrared encode and decode, supports communication baud rate up to 8Mbps. It can be used for RS232 serial expansion, PCIe high-speed serial with automatic hardware speed control, serial networking, RS485 communications, parallel/ printer port expansion etc. | CH340DS1.PDF CH367DS1.PDF CH438DS1.PDF CH9340DS.PDF |
| CH384 CH384(CN) | PCI-Express based Quad UARTs and printer port chip CH384 | CH384 is a PCI-Express based Quad-channel high performance UART with EPP/ECP enhanced bi-directional parallel controller. Each UART is compatible with 16C550 or 16C750. It can be expanded to another 24 serial ports by adding CH438 chips. The UART contains independently transmit and receive 256 bytes FIFO buffer. Supports IrDA infrared encode and decode, supports communication baud rate up to 8Mbps. It can be used for RS232 serial expansion, PCIe high-speed serial with automatic hardware speed control, serial networking, RS485 communications, parallel/ printer port expansion etc. | |
| CH390 CH390(CN) | Ethernet controller chip CH390 | CH390 is an industrial-grade Ethernet controller chip with its own 10/100M Ethernet Media Access Controller (MAC) and Physical Layer (PHY), supporting CAT3, 4, 5 for 10BASE-T and CAT5, 6 for 100BASE-TX connections, supporting HP Auto-MDIX, low-power consumption design, and complying with IEEE 802.3u specification. CH390 has built-in 16K bytes SRAM, supports 3.3V or 2.5V parallel interface and SPI serial interface for compatibility with various MCUs, MPUs, DSPs and other controllers. | CH182DS1.PDF CH392DS1.PDF CH395DS1.PDF CH9121DS1.PDF CH9120DS1.PDF |
| CH395 CH395(CN) | Ethernet Protocol Stack Management IC CH395 | CH395 is an Ethernet protocol stack management IC which provides Ethernet communication ability for MCU system. CH395 has built-in 10 / 100M Ethernet MAC and PHY and fully compatible with IEEE 802.3 protocol, it also has built-in protocol stack firmware such as PPPOE, IP, DHCP, ARP, ICMP, IGMP, UDP, TCP and etc. A MCU system can easily connect to Ethernet through CH395. CH395 supports 3 types of communication interfaces: 8-bit parallel port, SPI or USART. A MCU/DSP/MPU can use any of the above communication interfaces to operate CH395 for Ethernet communication. The application diagram for CH395 is shown below: | CH374DS1.PDF CH317DS0.PDF |
| CH397 CH397(CN) | Highly integrated, low-power USB NIC chip CH397 | The CH397 is a highly integrated, low-power USB NIC chip with a built-in QingKe RISC-V processor, a high-speed USB controller and transceiver PHY compliant with the USB2.1 protocol specification, and an Ethernet MAC+PHY compliant with IEEE802.3 protocol specifications and supporting 10M/100M networks. The standard USB host interface is used to extend the Ethernet interface via USB. | |
| CH412 CH412(CN) | ESD protection chip CH412 | CH412 is a four-way ESD protection diode array, it can withstand the highest ±15KV human body model specified in IEC 61000-4-2, ±8KV contact discharge and ESD pulse of ±15KV air gap discharge, it is used for high-speed and differential signals in the external interface of electronic products as well as ESD protection for general-purpose signals. | |
| CH421 CH421(CN) | Bidirectional buffer interface chip CH421 | The CH421A is an interface chip that provides bidirectional data buffering. The CH421A has two 8-bit passive parallel ports, X and Y, which enable bidirectional asynchronous data exchange between the X and Y ends by sharing a 66-byte dual-port data buffer. CH421A supports simultaneous operation at both ends. It is suitable for connecting single-chip microcomputer and single-chip microcomputer, single-chip microcomputer and DSP/MCU, as well as single-chip microcomputer and other main control terminals with active parallel interface, such as the print port of computer or the local port of CH365. The figure below is a block diagram of its general application. | CH424DS1.PDF CH423DS1.PDF |
| CH422 CH422(CN) | Digital Tube Display Driver and I/O Expansion Chip CH422 | The CH422 chip can be used for digital tube display drivers or I/O expansion. CH422 has built-in clock oscillation circuit, which can dynamically drive 4-digit digital tube or 32 LED light-emitting tubes. When CH422 is used for I/O expansion, it can provide 8 bidirectional input and output pins and 4 general-purpose output pins;CH422 exchanges data with a single-chip microcomputer through a 2-wire serial interface. | |
| CH423 CH423(CN) | Two-wire remote I/O expansion chip CH423 | The CH423 is a universal remote I/O expansion chip with a two-wire serial interface. CH423 provides 8 bidirectional input and output pins and 16 general-purpose output pins to support input level change interrupt. CH423 built-in current drive circuit can statically drive 24 LED tubes or dynamically drive 128 LEDs (equivalent to 16 digital) Tube); CH423 exchanges data with a single-chip microcomputer through a 2-wire serial interface. | CH432DS1.PDF CH452DS1.PDF CH422DS1.PDF CH456DS1.PDF CH446DS1.PDF CH453DS1.PDF |
| CH424 CH424(CN) | FIFO memory chip CH424 | CH424 is a 4K byte capacity FIFO memory chip. CH424 has two 8-bit passive parallel ports: Incoming W and Out R. CH424 is connected to the system bus of the MCU/DSP/MCU/MPU controller through 8-bit data lines and control lines such as read, write and chip select. It is suitable for connecting single chip microcomputer and single chip microcomputer, single chip microcomputer and DSP/MCU. The figure below is a block diagram of its general application. | CH421DS1.PDF CH365DS1.PDF CH367DS1.PDF |
| CH432 CH432(CN) | Dual UART chip CH432 | The CH432 is a dual UART chip that includes two 16C550-compatible asynchronous serial ports, supports half-duplex transceiver automatic switching and IrDA infrared codec, and supports communication baud rates up to 4Mbps, it can be used for RS232 serial port expansion of MCU/embedded system, high-speed serial port with automatic hardware rate control, RS485 communication, IrDA communication, etc. The figure below is a block diagram of its general application. | CH423DS1.PDF CH341DS1.PDF CH340DS1.PDF CH438DS1.PDF |
| CH438 CH438(CN) | 8 UART chip CH438 | CH438 is an eight UART chip with eight asynchronous serial ports compatible with 16C550 or 16C750, and supports communication baud rates up to 4Mbps, it can be used for RS232 serial port expansion of MCU/embedded system, high-speed serial port with automatic hardware rate control, RS485 communication, etc. The figure below is a block diagram of its general application. | CH432DS1.PDF CH340DS1.PDF CH341DS1.PDF CH382DS0.PDF |
| CH446 CH446(CN) | 8x16 analog switch array chip CH446Q 5x24 analog switch array chip CH446X | The CH446Q is an 8x16 matrix analog switch chip. The CH446Q contains 128 analog switches which distributed at each intersection of the 8x16 signal path matrix, each analog switch can be turned on or off independently, enabling arbitrary routing of 8x16 signal paths. The CH446X is a 5x24 matrix analog switch chip. The CH446X contains 120 analog switches distributed at each intersection of the 5x24 signal path matrix. Each analog switch can be turned on or off independently, enabling arbitrary routing of 5x24 signal channels. | CH440DS1.PDF CH423DS1.PDF CH422DS1.PDF |
| CH450 CH450(CN) | Digital tube display driver chip CH450 | The CH450 is a digital tube display driver and a keyboard scan control chip. The CH450 has a built-in clock oscillating circuit that can dynamically drive a 6-bit digital tube or 48 LED. It can also perform 48-key keyboard scanning. The CH450 exchanges data with a single chip microcomputer through a 2-wire serial interface. It can also provide a power-on reset signal to the single chip microcomputer. | CH452DS1.PDF CH451DS1.PDF CH423DS1.PDF CH422DS1.PDF CH453DS1.PDF |
| CH451 CH451(CN) | Digital tube driver and keyboard control chip CH451 | The CH451 is a versatile peripheral chip that integrates digital tube display driver and keyboard scan control with μP monitoring.CH451 has built-in RC oscillator circuit, which can dynamically drive 8-digit digital tube or 64 LED tube, with BCD decoding, flickering, shifting, etc. It can also perform 64-key keyboard scanning; The CH451 exchanges data with a single chip microcomputer via a serial interface that can be cascaded; it also provides monitoring functions such as power-on reset and watchdog. | CH452DS1.PDF CH450DS1.PDF CH454DS1.PDF CH456DS1.PDF CH423DS1.PDF CH453DS1.PDF |
| CH452 CH452(CN) | Digital tube driver and keyboard control chip CH452 | The CH452 is a digital tube display driver and a keyboard scan control chip.CH452 has built-in clock oscillator circuit, which can dynamically drive 8-digit digital tube or 64 LED tubes, with BCD decoding, flickering, shifting, segment addressing, beam decoding etc. It can also perform 64-key keyboard scanning; The CH452 exchanges data with a single-chip microcomputer through a 4-wire serial interface or a 2-wire serial interface that can be cascaded; and can provide a power-on reset signal to single chip microcomputer. | CH451DS1.PDF CH450DS1.PDF CH454DS1.PDF CH456DS1.PDF CH423DS1.PDF CH453DS1.PDF CH462DS1.PDF |
| CH453 CH453(CN) | 16-digit digital tube driver and keyboard control chip CH453 | CH453 is a 16-digit digital tube display driver and keyboard scan control chip. CH453 has built-in clock oscillator circuit, which can dynamically drive 16-digit digital tube or 128 LED tubes; It can also perform 64-key keyboard scanning; CH453 exchanges data with a single-chip microcomputer through a 2-wire serial interface | CH452DS1.PDF CH450DS1.PDF CH454DS1.PDF CH456DS1.PDF CH423DS1.PDF |
| CH454 CH454(CN) | 16-segment digital tube driver and keyboard control chip CH454 | The CH454 is a digital tube display driver and a keyboard scan control chip. CH454 built-in clock oscillation circuit, can dynamically drive 8 16-segment digital tubes or 128 LEDs, support 11 segments, 14 segments, 16 segments × 8 and 17 segments × 7; also can perform 64-key keyboard scanning; The CH454 exchanges data with a single-chip microcomputer or the like via a 2-wire serial interface. | CH423DS1.PDF CH452DS1.PDF CH453DS1.PDF CH456DS1.PDF |
| CH455 CH455(CN) | Digital tube driver and keyboard control chip CH455 | The CH455 is a digital tube display driver and a keyboard scan control chip. The CH455 has a built-in clock oscillating circuit that can dynamically drive a 4-bit digital tube or 32 LEDs. It can also perform a 28-key keyboard scan. The CH455 exchanges data with a microcontroller via a 2-wire serial interface consisting of SCL and SDA. | CH450DS1.PDF CH422DS1.PDF CH423DS1.PDF CH453DS1.PDF CH452DS1.PDF CH454DS1.PDF CH456DS1.PDF |
| CH456 CH456(CN) | 16-digit digital tube driver and keyboard control chip CH456 | The CH456 is a 16-bit digital tube display driver and keyboard scan control chip. The CH456 has a built-in clock oscillating circuit that can dynamically drive up to 16 digital tubes or 128 LED tubes; it can also perform 64-key keyboard scanning; CH456 exchanges data with a single-chip microcomputer through a 2-wire serial interface. The figure below shows the application block diagram of CH456. | CH451DS1.PDF CH452DS1.PDF CH453DS1.PDF CH455DS1.PDF CH454DS1.PDF CH423DS1.PDF |
| CH457(CN) | 128 只 LED 显示驱动芯片 CH457 | CH457 是 128 只 LED 发光管显示驱动芯片。CH457 内置时钟振荡电路，可以动态驱动 32 位 4 段结构或 16 位 8 段结构的 128 只 LED 发光管；CH457 通过 2 线或 3 线串行接口与单片机等交换数据。 | |
| CH462 CH462(CN) | LCD display driver chip CH462 | CH462 is an LCD display driver chip. The CH462 has a built-in clock oscillation circuit that supports a 128-point (32 x 4) LCD panel. | CH423DS1.PDF CH453DS1.PDF CH452DS1.PDF |
| CH463 CH463(CN) | LCD display driver chip CH463 | CH463 is the display driver chip for LCD. The CH463 has a built-in clock oscillation circuit that supports 128 points (16×8), 48 points (12×4) and other LCD panels. It can also perform 35-key (based on 7×5 matrix) keyboard scan; CH463 exchanges data with a single-chip microcomputer through a 2-wire serial interface. | |
| CH536 CH536(CN) | 8位USB 单片机:CH536 | CH536芯片是一个内嵌USB总线主机和设备控制器的8 位iFlash单片机。 | |
| CH537 CH537(CN) | Multi-channel USB MCU: CH537 | The CH537 chip is an 8-bit microcontroller with a multi-channel USB bus controller embedded. The CH537 chip uses a single clock cycle RISC reduced instruction set, supports 12MHz or even 15MHz main frequency, provides 32K bytes Flash-ROM, 768 bytes of RAM and SFR, and a separate 32-level stack. It supports 12Mbps full speed or 1.5Mbps low speed USB transmission, and provides common function modules of master-slave SPI, asynchronous serial port and PWM timer/counter. Here is CH537 internal block diagram, for reference only. | |
| CH543 CH543(CN) | 8-bit Enhanced USB PD MCU – CH543 | CH543 is a USB and USB PD enhanced E8051 core MCU compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions. CH543 features high run speed. CH543 has built-in 16K Flash-ROM, 256-byte internal iRAM, and 256-byte on-chip xRAM. The xRAM supports direct memory access (DMA). CH543 provides a built-in USB Power Delivery controller and PD BMC PHY transceiver. CH543 supports USB type C, BC, PD2.0, and PD3.0, and supports 12V high-voltage power. It can act as PMIC used for power management, Sink, Source and DRP. CH543 provides a built-in USB host controller and transceiver, and supports full-speed and low-speed USB Host and USB Device. CH543 also provides a built-in 12-bit analog-to-digital converter (ADC), capacitive touchkey detection module, built-in clock, 3 timers, 2-channel signal capture, 4-channel PWM, UART, SPI, I2C slave, and other function modules. | |
| CH545 CH545(CN) | 8-bit USB Multi-Host Multi-Device Enhanced MCU - CH545 | CH545 is an enhanced E8051 core MCU, compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions. CH545 features fast run speed. CH545 has built-in 64KB Flash-ROM and 8K+256B RAM. CH545 has a built-in USB host controller and transceiver, and a built-in 4-port USB root-hub. CH545 supports USB Host mode and USB Device mode, and supports USB2.0 full-speed (12Mbps) and low-speed (1.5Mbps) transfer. CH545 has built-in 4 channels of full-speed composite USB device controllers and transceivers. Each composite USB device controller is composed of a device-hub and 3 functional sub-devices. CH545 supports up to 64 bytes of data packet, with built-in FIFO, and supports DMA. CH545 provides abundant interface sources, including 2 UARTs, 6-channel PWM, 14-channel capacitive touch-key, single IIC master, 4 IIC slaves and 128 RGB LED controllers, and has 2-channel SPI and 14-channel 12-bit ADC. CH545 supports voltage comparator. CH545 also has 3 timers and 2-channel signal capture, and supports up to 58 GPIOs. CH544 is a simplified MCU of CH545, without PWM module of RGB LED. CH544 only provides 2-channel composite USB device controller and 3 IICs, and others are the same as that of CH545, please refer to CH545 datasheet and technical resources directly. | |
| CH546 CH546(CN) | 8-bit Enhanced USB MCU - CH546 | CH546 is an enhanced E8051 core MCU, compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions. CH546 features high run speed. CH546 has built-in 32KB Flash-ROM and 1K+256B RAM. CH546 has built-in USB controller and USB transceiver, supports USB Device mode, and supports USB2.0 full-speed (12Mbps) and low-speed (1.5Mbps) transfer. CH546 supports up to 64 bytes of data packet, with built-in FIFO, and supports DMA. CH546 provides abundant interface sources, including one UART and 2-channel PWM. CH546 also has 1-channel master/slave SPI, 8-channel 12-bit ADC, and supports voltage comparator. CH546 has 3 built-in timers and 1-channel signal capture. CH546 supports up to 44 GPIOs. | CH549DS1.PDF |
| CH547 CH547(CN) | 8-bit Enhanced USB MCU - CH547 | CH547 is an enhanced E8051 core MCU, compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions. CH547 features high run speed. CH547 has built-in 60KB Flash-ROM and 1K+256B RAM. CH547 has built-in USB controller and USB transceiver, supports USB Device mode, and supports USB2.0 full-speed (12Mbps) and low-speed (1.5Mbps) transfer. CH547 supports up to 64 bytes of data packet, with built-in FIFO, and supports DMA. CH547 provides abundant interface sources, including 4 UARTs and 4-channel PWM. CH547 also has 1-channel master/slave SPI, 12-channel 12-bit ADC, and supports voltage comparator. CH547 has 3 built-in timers and 1-channel signal capture. CH547 supports up to 44 GPIOs. | CH549DS1.PDF |
| CH548 CH548(CN) | 8-bit Enhanced Multi-Interface MCU - CH548 | CH548 is an enhanced E8051 core MCU, compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions. CH548 features high run speed. CH548 has built-in 32KB Flash-ROM and 2K+256B RAM. CH548 has built-in USB controller and USB transceiver. CH548 supports USB Host mode and USB Device mode, supports USB2.0 full-speed (12Mbps) and low-speed (1.5Mbps) transfer, and supports USB PD and Type-C. CH548 supports up to 64 bytes of data packet, with built-in FIFO, and supports DMA. CH548 provides abundant interface sources, including 2 UARTs, 8-channel PWM. CH548 also has 1-channel master/slave SPI, 16-channel 12-bit ADC, and supports voltage comparator. CH548 has 3 built-in timers and 3-channel signal capture. CH548 supports up to 44 GPIOs. | CH549DS1.PDF CH547DS1.PDF |
| CH549 CH549(CN) | 8-bit Enhanced Multi-Interface MCU - CH549 | CH549 is an enhanced E8051 core MCU, compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions. CH549 features high run speed. CH549 has built-in 60KB Flash-ROM and 2K+256B RAM. CH549 has built-in USB controller and USB transceiver. CH549 supports USB Host mode and USB Device mode, supports USB2.0 full-speed (12Mbps) and low-speed (1.5Mbps) transfer, and supports USB PD and Type-C. CH549 supports up to 64 bytes of data packet, with built-in FIFO, and supports DMA. CH549 provides abundant interface sources, including 4 UARTs and 8-channel PWM. CH549 also has 1-channel master/slave SPI, 16-channel 12-bit ADC, and supports voltage comparator. CH549 has 3 built-in timers and 3-channel signal capture. CH549 supports up to 44 GPIOs. | CH549DS1.PDF CH547DS1.PDF |
| CH551 CH551(CN) | 8-bit USB Device MCU - CH551 | CH551 is an enhanced E8051 core MCU, compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions. The average instruction speed is 8~15 times faster than that of standard MCS51. CH551 supports up to 24MHz system clock frequency. CH551 has built-in capacitive touch-key detection, 3 timers and 2-channel signal capture and PWM, UART, SPI, USB device controller and full-speed transceiver and other functional modules. CH551 is a simplified MCU of CH552, with 10K program memory ROM and 512-byte internal xRAM. CH551 only has UART0. The package of CH551 is SOP16 only. CH551 does not provide ADC module or USB type-C module. Others of CH551 are the same as that of CH552, please refer to CH552 datasheet and technical resources directly. | CH551DS1.PDF |
| CH552 CH552(CN) | 8-bit USB Device MCU - CH552 | CH552 is an enhanced E8051 core MCU, compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions. The average instruction speed is 8~15 times faster than that of standard MCS51. CH552 supports up to 24MHz system clock frequency. CH552 has built-in 16K program memory ROM, 256-byte internal iRAM and 1K-byte internal xRAM. And xRAM supports direct memory access (DMA). CH552 has built-in ADC, capacitive touch-key detection, 3 timers and signal capture and PWM, 2 UARTs, SPI, USB device controller and full-speed transceiver, USB type-C and other functional modules. | CH552DS1.PDF |
| CH554 CH554(CN) | 8-bit Cost-Effective Enhanced USB MCU - CH554 | CH554 is an enhanced E8051 core MCU, compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions. CH554 has a built-in 24MHz clock source, built-in 1K+256B RAM and 16KB iFlash-ROM. CH554 provides abundant interface sources, including ADC, 3 timers and signal capture and PWM, 2 UARTs, SPI, etc. CH554 provides 6-channel capacitive detection module, and it supports up to 15 touch-keys in mutual capacitance mode. CH554 has built-in full-speed USB controller, and supports USB Host mode and USB Device mode. | CH554DS1.PDF CH558DS1.PDF CH559DS1.PDF CH236DS1.PDF |
| CH555 CH555(CN) | 8-bit USB Keyboard and RGB MCU - CH555 | CH555 is an enhanced E8051 core MCU, compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions. CH555 features fast run speed, and has built-in 64KB Flash-ROM and 8K+256B RAM. CH555 has a built-in full-speed composite USB Device controller and transceiver. The composite USB device controller is composed of a USB device-hub and 3 sub-devices with HID function. CH555 has built-in 3*8 channels of PWM, supports 384 monochrome LEDs or 128 groups of RGB LEDs. CH555 provides abundant interface sources, including 14-channel 12-bit ADC, 3 timers and 2-channel signal capture, 2 UARTs, SPIs, I2C slave and other functional modules. CH555 has built-in 128 RGB LED controllers and USB Device, which can be used for customized mechanical keyboard design. | CH579DS1.PDF CH557DS1.PDF |
| CH557 CH557(CN) | 8-bit Enhanced USB MCU - CH557 | CH557 is an enhanced E8051 core MCU compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions. CH557 features fast run speed, and provides built-in 64KB Flash-ROM and 8K+256B RAM. CH557 has built-in USB host controller and transceiver and a built-in 4-port USB root-hub. CH557 supports USB 2.0 full-speed (12Mbps) and low-speed (1.5Mbps) transfer, and supports USB Host mode and USB Device mode. CH557 supports up to 64 bytes of data packet, with built-in FIFO, and supports DMA. CH557 provides abundant interface sources, including 2 UARTs, 6-channel PWM, 14-channel capacitive touch-key and 128 sets of RGB LED controllers, and CH557 has 2-channel SPI, IIC master and IIC slave and 14-channel 12-bit ADC, supports voltage comparator, has built-in 3 timers and 2-channel signal capture, and supports up to 58 GPIOs. CH556 is a simplified MCU of CH557, without PWM module of RGB LED. CH556 only provides a 2-port USB root-hub, and others are the same as that of CH557, please refer to CH557 datasheet and technical resources directly. | |
| CH558 CH558(CN) | 8-bit Enhanced USB MCU - CH558 | CH558 is an enhanced E8051 core MCU, compatible with MCS51 instruction set. 79% of its instructions are single-byte single-cycle instructions. CH558 has built-in 32K CodeFlash and 4K+256B RAM. CH558 has a built-in USB full-speed transceiver, supports USB Device mode, and supports USB2.0 full-speed (12Mbps) and low-speed (1.5Mbps) transfer. CH558 supports up to 64 bytes of data packet, with built-in FIFO, and supports DMA. CH558 provides abundant interface sources, including built-in class RS485 data transceiver, LED control card interface and fast level capture function. CH558 also has 1 SPI, 2 UARTs, 8-bit parallel port, etc. UART1 is compatible with 16C550. CH558 has 4 timers, provides 1-channel 16-bit PWM, and supports 8-channel 10/11-bit ADC. | CH559DS1.PDF CH554DS1.PDF |
| CH559 CH559(CN) | 8 bit enhanced USB MCU CH559 | CH559 is a MCS51 compatible E8051 core microcontroller, 79% instructions of CH559 is single byte or single cycle, and average instruction speed is 8 to 15 times faster than the standard MCS51. CH559 support up to 56MHz system clock, built-in 64KB Flash-ROM, 256B on-chip iRAM, 6KB on-chip xRAM, and some of xRAM support DMA mode. CH559 built-in ADC converter, 4timers/PWM, 2UART, 2*SPI, and dual port Root-HUB, which support USB-Host and USB-Device Mode. | CH559DS1.PDF CH558DS1.PDF CH554DS1.PDF CH236DS1.PDF |
| CH561 CH561(CN) | 32-bit Fast Ethernet MCU - CH561 | CH561 is a CPU with 32-bit RISC-V reduced instruction sets. The system clock frequency is 100MHz by default. CH561 integrates 10/100M adaptive network interface (MAC+PHY) with built-in PHY. CH561 can be widely used in various network control applications. | |
| CH563 CH563(CN) | 32-bit High-Performance USB and Ethernet MCU - CH563 | CH563 is a CPU with 32-bit reduced instruction sets. The system clock frequency is 100MHz by default, and can be up to 130MHz. The CH563 integrates high-speed USB interface and 10/100M network interface that support DMA (built-in PHY). CH563 can be widely used in various embedded applications, with features of highly integrated peripherals and high performance. | |
| CH567 CH567(CN) | 32-bit Dual High-Speed USB MCU - CH567 | CH567 is a high-performance MCU with 32-bit reduced instruction sets. The system clock frequency can be up to 120MHz. The chip integrates abundant peripheral sources, such as two sets of independent high-speed USB2.0 master/slave controllers, 4 SDIO controllers, encryption/decryption algorithm module, 4 UARTs, 7-channel PWM, 3 timers, etc. CH567 can be widely used in various embedded applications. | CH559DS1.PDF CH558DS1.PDF CH557DS1.PDF CH568DS1.PDF |
| CH568 CH568(CN) | 32-bit High-Speed USB/SD/SATA Encrypted MCU - CH568 | CH568 is a high-performance MCU with 32-bit reduced instruction sets. The system clock frequency can be up to 120MHz. The chip integrates peripheral sources, such as high-speed USB controller, SATA2.0 controller and severral SDIO controllers. CH568 provides two encryption/decryption algorithms (SM4 and AES), and supports 8 types of encryption/decryption modes. CH568 can be widely used in high-speed transfer, information security and other applications. | CH559DS1.PDF CH558DS1.PDF CH557DS1.PDF CH567DS1.PDF |
| CH569 CH569(CN) | 32-bit USB3.0 Super-Speed Interface MCU - CH569 | CH569 and CH565 are based on RISC-V3A core, and support the IMAC subset of RISC-V instructions. The chip integrates super-speed USB3.0 host and device controller (built-in PHY), Gigabit Ethernet controller, dedicated high-speed SerDes controller (built-in PHY, can drive optical fiber directly), high-speed parallel interface (HSPI), digital video port (DVP), SD/EMMC interface controller and encryption/decryption module. The DMA with width of 128 bits can ensure high-speed transfer of large amounts of data. CH569/CH565 can be widely used in streaming media, instant storage, super-speed USB3.0 FIFO, communication extension, security monitor and other applications. | CH569DS1.PDF CH132DS1.PDF |
| CH573 CH573(CN) | RISC-V Core BLE Wireless MCU – CH573 | CH573 is a 32-bit RISC-V core MCU integrated with BLE wireless communication. CH573 integrates Bluetooth Low Energy communication module, full-speed USB host and device controller and transceiver, SPI, 4 UARTs, ADC, touch-key detection module, RTC and other peripheral resources. | H573DS1.PDF |
| CH579 CH579(CN) | BLE Wireless MCU CH579 | CH579 is a 32-bit MCU integrated with BLE wireless communication, based on ARM core. CH579 integrates abundant peripheral sources, such as BLE wireless communication module, Ethernet controller and transceiver, full-speed USB host and device controller and transceiver, segment-LCD driver module, ADC, touch-key detection module and RTC. | CH559DS1.PDF CH568DS1.PDF |
| CH583 CH583(CN) | RISC-V Core BLE5.3 Wireless MCU - CH583 | The CH583 is a 32-bit RISC MCU integrated with BLE wireless communication. The CH583 provides abundant peripheral sources, such as 2Mbps BLE communication module, 2 full-speed USB host and device controller and transceiver, 2 SPIs, 4 UARTs, ADC, touch-key detection module and RTC, etc. | CH583DS1.PDF |
| CH592 CH592(CN) | RISC-V Core BLE5.4 Wireless MCU - CH592 | CH592 is a RISC-V MCU microcontroller with integrated BLE wireless communication. On-chip integration of 2Mbps BLE communication module， full-speed USB host and device controller and transceiver， segment LCD driver module， SPI， 4 serial ports， 12-channel ADC， TouchKey detection module and other rich peripheral resources. | CH592DS1.PDF CH583DS1.PDF CH573DS1.PDF QingKeV4_Processor_Manual.PDF |
| CH643 CH643(CN) | RGB Display Driver MCU CH643 | CH643 is an industrial-grade RGB display driver microcontroller based on the QingKe RISC-V core. CH643 built-in USB and PD PHY, supports USB Host and USB Device function, USB PD and type C fast charging function, PWM drive RGB LED function, built-in programmable protocol I / O controller, provides OPA, CMP, USART, I2C, SPI, timer, 12-bit ADC, Touchkey, etc. | CH643DS0.PDF CH643RM.PDF |
| CH9101 CH9101(CN) | USB to Serial Port Chip CH9101 | CH9101 is a USB bus converter chip, which converts USB to serial port. CH9101 provides standard MODEM signal, used to expand serial port for computer or upgrade directly from normal serial device or MCU to USB bus. | |
| CH9102 CH9102(CN) | USB to High Speed Serial Port Chip CH9102 | CH9102 is a USB bus converter chip, which converts USB to serial port. CH9102 provides standard MODEM signal, to expand serial port for computer or upgrade directly from normal serial device or MCU to USB bus. | |
| CH9103 CH9103(CN) | USB to Dual Serial Ports Chip CH9103 | CH9103 is a USB bus converter chip, which converts USB to dual serial ports. | |
| CH9104(CN) | USB转4串口芯片 CH9104 | CH9104是一款USB总线的转接芯片，实现USB转四个异步串口UART0/1/2/3功能，用于为计算机扩展异步串口，或者将普通的串口设备或者MCU直接升级到USB总线。 | |
| CH9120 CH9120(CN) | Serial Ethernet Penetrate Transparent IC CH9120 | CH9120 has Built-in TCP/IP protocol stack, which can provides serial data and network data’s two-way penetrate transparent. CH9120 has TCP-Client, TCP-Server and UDP 3 kinds of work mode, supports serial baud rate up to 921600bps, can be easily configured by host PC software. The application diagram for CH9120 is shown below: | |
| CH9121 CH9121(CN) | Serial Ethernet Penetrate Transparent IC CH9121 | CH9121 has Built-in TCP/IP protocol stack, which can provides serial data and network data’s two-way penetrate transparent. CH9121 has TCP-Client, TCP-Server and UDP 3 kinds of work mode, supports serial baud rate up to 921600bps, can be easily configured by host PC software. The application diagram for CH9121 is shown below: | CH395DS1.PDF |
| CH9126 CH9126(CN) | Network Time Giving IC CH9126 | CH9126 is a network time giving IC based on SNTP protocol, which can mainly solve the problem of MCU and other embedded devices' time synchronization problem. CH9126 has two work modes: (1) work as a SNTP Client, receive time from a SNTP Server and output through serial port; (2) work as a SNTP Server, use pulse and serial port data as reference time, give time to SNTP Clients. CH9126 also has a data transparent channel inside, which can provides serial data and network data 's two-way penetrate transparent. | |
| CH9130 CH9130(CN) | Ethernet Extended Interfaces IC CH9130 | CH9130 is a interface IC which can extend multiple interfaces through Ethernet, it has built-in 10/100M Ethernet MAC and PHY, fully compatible with IEEE 802.3 protocol. 2 UART, 16 GPIO, 2SPI, 3 PWM, 1 ADC with 3 channels and a 8-bit Passive-Interface (Or a 8-bit/16-bit bus) can be extended at the same time. With the network interface library in PC, CH9130 can make variety interfaces devices connect to network easily. The application diagram for CH9130 is shown below: | |
| CH9140(CN) | 蓝牙转串口芯片 CH9140 | CH9140是一款蓝牙转串口芯片，芯片支持蓝牙主从一体模式或从机模式，支持蓝牙BLE4.2。串口波特率最高1Mbps，支持MODEM联络信号，蓝牙主从模式可以自动连接或绑定。 | |
| CH9141 CH9141(CN) | Bluetooth serial port transparent chip:CH9141 | CH9141 Bluetooth serial port transparent transmission chip with BLE4.2, which has low power consumption.The chip supports broadcast mode, host mode and slave mode. CH9141 supports serial AT configuration and Bluetooth communication configuration in slave mode, and the chip provides general GPIO, synchronous GPIO and ADC acquisition. The serial port baud rate can be up to 5Mbps, which can be easily configured through APP or serial port commands, which is convenient and fast. | |
| CH9142(CN) | 蓝牙转双串口透传芯片 CH9142 | CH9142是一款蓝牙转双串口透传芯片，芯片支持蓝牙主机模式、蓝牙从机模式和蓝牙广播模式，支持蓝牙BLE5.0。支持串口AT配置和在从机模式下的蓝牙通信配置，支持MODEM联络信号，串口波特率最高1Mbps。蓝牙从机模式下可设置蓝牙名称、厂商信息等参数，可通过APP或者串口命令轻松配置，方便快捷。两个串口可独立控制蓝牙模式和蓝牙状态，支持两个蓝牙连接分别与对应串口进行通讯。 | |
| CH9143(CN) | BLE/UART/USB 三通芯片 CH9143 | CH9143是一款BLE/UART/USB 三通芯片，实现蓝牙、USB 接口和串口接口之间数据互传。蓝牙支持主机模式、从机模式和主从一体模式，从机模式和主从一体下可对蓝牙通讯以及参数进行配置，支持BLE4.2。串口支持AT 指令配置，支持MODEM 联络信号，最高波特率1Mbps。同时可实现计算机USB 接口、串口和蓝牙之间联机调试或数据监控。 | |
| CH9326 CH9326(CN) | HID to Serial Port Chip CH9326 | CH9326 is a driver-free chip for HID to serial port. CH9326 supports bi-directional data transmission, used to receive the serial port data, and according to the HID class device specification, package the data and upload it to computer through USB, or receive USB packets witch conform to HID class device from computer, and sent them from serial port. The VID, PID and various string descriptors of the chip can be configured by software. | CH341DS1.PDF CH376DS1.PDF CH340DS1.PDF CH9340DS.PDF |
| CH9328 CH9328(CN) | UART to HID Keyboard Chip CH9328 | CH9328 is a serial UART to HID keyboard chip that is identified as a standard USB HID keyboard device on computers. CH9328 supports one-way data transmission, it can receive the serial UART data (such as ASCII code), and according to the HID keyboard device specification, the data is packaged into a standard keyboard code and uploaded to the computer through the USB port. Through the provided Windows software, the user can also configure the chip’s VID, PID, and various string descriptors. The figure below shows the diagram of its general application. | CH9340DS.PDF |
| CH9329 CH9329(CN) | UART to HID Keyboard/Mouse Controller CH9329 | CH9329 is a serial UART to standard USB HID device (keyboard, mouse, custom HID) chip. According to different operating modes, it can be identified as the standard USB keyboard device, USB mouse device or custom HID device on the computer. CH9329 receives serial port data sent from the client and according to the HID device specification, the data will be packaged and then transmitted to the computer via USB port. Though the provided computer software, users can also configure the chip operating mode, serial communication mode, serial communication baud rate, various timeout periods, VID, PID, and various USB string descriptors. | |
| CH9340 CH9340(CN) | USB to UART Bridge Controller CH9340 | CH9340 is a USB converter chip, which implements USB to serial UART interface. In UART mode, CH9340 provides common MODEM interface signals, to expand UART interface of computer or upgrade common serial communication devices to USB directly. | |
| CH9342 CH9342(CN) | USB to Dual UART Bridge Controller CH9342 | CH9342 is a USB to Dual UART Bridge Controller, which provides 2-channel full duplex UART interfaces UART0/1, to expand UART interface of computer or upgrade common serial communication devices to USB directly. The figure below shows the diagram of its general application. | |
| CH9343 CH9343(CN) | USB Android Host Controller CH9343 | The CH9343 is a highly integrated, low power, single-chip full-speed USB Android Host interface controller that can be configured with six expansion interfaces: UART, GPIO, PWM, I2C master, SPI master and SPI slave for built-in USB device interface Android devices access external components. The figure below shows its internal block diagram. | |
| CH9344 CH9344(CN) | USB to Quad Serial Ports Chip CH9344 | CH9344 is a USB bus converter chip, which converts USB to quad serial ports UART0/1/2/3, and used to expand serial ports for computer or upgrade directly from normal serial device or MCU to USB bus. | |
| CH9350 CH9350(CN) | USB mouse and keyboard to serial communication control chip CH9350 | CH9350 is a USB keyboard and mouse to serial communication control chip, which needs to be used in pairs. Combined with the simple and easy-to-use features of the asynchronous serial port, the USB communication mode between the USB keyboard mouse and the USB host is extended to the asynchronous serial port (UART), which is convenient for integration with audio and video signals, and can be used for KVM communication distance extension applications. The following figure is a block diagram of its general application: | CH9340DS.PDF |
| CH9434(CN) | SPI转四串口芯片CH9434 | CH9434是一款SPI转四串口控制芯片，提供四组全双工的9线异步串口，用于单片机/嵌入式系统扩展异步串口。CH9434包含四个兼容16C550的异步串口，最高支持4Mbps波特率通讯。支持GPIO，支持半双工收发自动切换引脚TNOW。 |