file name version upload time size
CH423DS1.PDF 2.1 2022-04-11 201KB
CH423 datasheet. A remote I/O expander with 2-wire serial interface, used for 16 digital tube display or I/O expansion applications through two wires. The input terminal is a two-wire interface compatible with I2C, and the output terminal is an 8-bit bidirectional input/output port and a 16-bit high-current output port.
CH32X035RM.PDF 1.3 2023-07-07 2.57MB
Information change in the download page (Software introduction/application scope):The CH32X035 series reference manual, developed for the user's application, provides detailed information on the use of the CH32X035 products for the different functional resources and packages in the series.
CH9141DS1.PDF 2.1 2021-11-29 292KB
CH9141 datasheet. BLE and UART bidirectional transparent transmission chip, supports BLE and UART interface configuration, provides IO, ADC and other functions. It is convenient for serial device to realize BLE connection. The computer end provides BLE virtual serial port driver, compatible with common serial application program and serial port debug tools. CH9141 realizes wireless UART and UART extension, without secondary development.
CH32F103DS0.PDF 1.3 2022-04-12 1.62MB
CH32F103 datasheet. A 32-bit Cortex-M3 core general-purpose MCU. CH32F103 integrates dual USB2.0 controllers, multi-channel TouchKey, 12-bit DAC, multi-channel 12-bit ADC, timers, CAN communication controller, I2C/UART/SPI and other peripheral resources.
CH569DS1.PDF 1.2 2022-08-06 1.44MB
CH569 datasheet. USB3.0 super-high-speed interface microcontroller based on the RISC-V instruction set. Peripherals include USB3.0 SuperSpeed and USB2.0 HighSpeed host and device controller and transceiver PHY, Gigabit Ethernet controller, dedicated high-speed SerDes controller and transceiver PHY, SD/EMMC interface controller, encryption/decryption module, high-speed parallel interface and digital video port (DVP).
CH9329DS1.PDF 1.1 2021-11-18 210KB
CH9329 datasheet, serial port to standard USB HID keyboard/mouse/custom HID device, supports multiple working modes and serial communication modes.
CH343DS1.PDF 1.5 2021-11-18 241KB
CH343 datasheet, USB to single serial port, supports up to 6M baud rate, serial port signals support 5V/3.3V/2.5V/1.8V, built-in crystal oscillator. CH343 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver.
CH9104DS1.PDF 1.0 2023-03-03 181KB
CH9104 datasheet, USB to quad serial ports, supports up to 6Mbps baud rate, supports USB parameters configuration, provides RS485 direction control and GPIO and other signal pins. Extending asynchronous serial ports for computer, or upgrade normal serial devices or MCUs directly to USB bus.
CH382DS0.PDF 1 2021-07-05 103KB
CH382 Brief, which converts PCI-Express bus to dual serial ports, and printer/parallel port. Supports up to 8Mbps baud rate, used for PCIE high-speed serial port with automatic hardware flow control, serial ports networking, RS485 communication, parallel/printer port expansion, etc.
CH331DS1.PDF 1.2 2021-11-29 127KB
CH331 datasheet. USB flash disk controller. With an external SPI memory chip added, the CH331 can implement up to 4M USB flash disk, and it supports customization of USB flash disk manufacturer name, capacity, serial number and other information.