file name version upload time size
CH554DS1.PDF 1.8 2022-08-08 827KB
CH554 datasheet. CH554 is an 8-bit E8051 MCU and supports low-speed USB host/slave and full-speed USB host/slave, with feature of low cost. It provides 16K program ROM and 1K+256 RAM, supports USB host and USB device, ADC, Touch-key, 3 sets of timers, PWM, 2 UARTs and SPI, etc.
CH370DS1.PDF 1.2 2021-11-29 164KB
CH370 datasheet. General purpose USB interface chip, with parallel port/SPI control interface. CH370 supports USB Host mode, supports all types of transmission, HUB operation, and provides USB flash disk file system library.
CH451DS1.PDF 4.5 2021-11-29 296KB
CH451 datasheet. CH451 can be used for 8×8 segment digital tube drive and 64-key keyboard scanning control, cascading 10MHz high-speed 4-wire interface to simplify the workload of MCU.
CH247DS1.PDF 1.1 2022-06-07 157KB
CH247 datasheet. CH247 is a wireless power controller. CH247 supports Qi protocol, and supports up to 15W output power.
BLE-TPT-K3.PDF 1.0 2023-12-22 430KB
BLE-TPT-K3 module, realize Bluetooth serial port bidirectional transmission, support serial port and Bluetooth interface configuration, and provide IO, ADC and other functions to facilitate the serial device to realize Bluetooth connection, no need for secondary development, to realize the wireless serial port and serial port extension function.
CH450DS1.PDF 2.0 2021-11-19 188KB
CH450 datasheet. CH450 is used for driver of 48 LEDs or 6 digital tubes and for 48-key keyboard scan control, compatible with high-speed two-wire interface.
CH422DS1.PDF 2.0 2021-12-03 162KB
CH422 datasheet. Remote I/O expander chip of two-wire serial interface, used for display of 4 digital tubes and I/O expansion application. The input is a two-wire interface compatible with I2C, and the output is an 8-bit bidirectional I/O port and 4-bit large-current output port.
CH9143DS1.PDF 1.2 2022-08-06 291KB
CH9143 datasheet. BLE/UART/USB transceiver. The CH9143 implements data transfer among BLE, USB and UART. It supports BLE master-slave mode and slave mode, and supports BLE4.2. A PC-side virtual serial port driver is provided, compatible with common serial port applications and serial debug tools, no secondary development required, easy to implement transmission between 3 "serial ports".
CH32F208DS0.PDF 2.4 2022-10-28 878KB
CH32F208 datasheet,CH32F208 series is an industrial-grade wireless microcontroller based on the 32-bit ARM Cortex-M3 core. The series is independent of GPIO voltage (separate from system power supply), on-chip integration of 2Mbps low-power Bluetooth BLE communication module, 10M Ethernet MAC+PHY module, USB2.0 full-speed device+host/device interface, CAN controller, etc.
WCH-LinkUserManual.PDF 1.9 2023-11-03 1.19MB
WCH-LinkUserManual introduces the basic functions of WCH-Link emulator and debugger, how to use it, and the solutions to common problems.