file name version upload time size
CH32V208DS0.PDF 2.6 2023-05-18 722KB
CH32V208 is a wireless microcontroller based on 32-bit RISC-V core, equipped with V4C core, increased memory protection function, and reduced hardware division cycle. It supports 2Mbps low-power Bluetooth BLE communication module, etc.
CH454DS1.PDF 1.5 2021-11-19 224KB
CH454 datasheet. CH454 is used for display driver of 16-segment LED displays or 8 alphanumeric displays and for keyboard scan control, supports 17 segments x 7 digital tubes, 16 segments x 8 digital tubes and 8 segments x 16 digital tubes.
CH317DS0.PDF 2.1 2023-07-03 115KB
CH317 datasheet, USB2.0 extender control chip, for USB more than 100 meters extension, support HUB extension, pure hardware solution, no driver installation.
CH641RM.PDF 1.2 2024-03-11 1.92MB
The application manual for PD wireless charging microcontroller CH641, provides detailed usage information of PD, type-C, PWM, serial port, ADC, differential current sampling, QI decoding and other functional modules for user application development.
CH643DS0.PDF 1.2 2023-06-30 668KB
RGB display driver microcontroller CH643 datasheet, based on the QingKe RISC-V core, supporting USB, PD , type C fast charging, 1-wire protocol, 48 PWMs, 288 RGB LEDs and providing ADC, OPA , SPI and UART, etc.
CH32L103RM.PDF 1.6 2024-07-04 3.89MB
PDUSB Low Power Microcontroller CH32L103 Series Reference Manual. For the application development of users, the detailed use information of CH32L103 products is provided, including ADC, OPA, CMP, USB, PD and Type-C fast charging, which is suitable for different functional resources and packaged products in the series.
BLE2U.PDF 1.3 2022-07-01 2.08MB
BLE2U manual. A BLE/UART/USB transmission module. The BLE2U implements data transmission between BLE, USB and UART. It supports BLE master-slave mode, slave mode and master mode. BLE4.2 is supported. Available PC-side USB and BLE virtual serial port driver, which is compatible with common serial applications and serial port debug tools, with no secondary development required, implementing transmission between 3 "serial ports".
CH438DS1.PDF 1.2 2021-11-19 188KB
CH438 datasheet. CH438 is an 8-UART extension chip. Each UART receive/transmit has independent 128-byte FIFO. The maximum baud rate is 4Mbps. It supports hardware flow control, compatible with 16C550/16C750. It provides 8-bit parallel interface, used for MCU 8-UART extension.
CH643RM.PDF 1.7 2024-07-04 3.25MB
Information change in the download page (Software introduction/application scope): CH643 series reference manual, developed for the user's application, provides detailed information on the use of CH643 for products with different functional resources and packages in the series.
CH32V203DS0.PDF 2.7 2023-05-18 839KB
CH32V203 is an industrial-grade enhanced low-power, small-medium capacity general-purpose microcontroller designed based on 32-bit RISC-V core, equipped with V4B core, and the operating and sleeping power consumption is significantly reduced year-on-year. It supports USB Host and USB Device functions, etc.