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.
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".
BLE-SER.PDF 1.4 2022-06-30 1.62MB
BLE-SER manual. A BLE to UART module, supports BLE master-slave mode and slave mode, and supports BLE4.2. It can implement automatic connection and binding in BLE master-slave mode. Available PC-side BLE virtual serial port driver, which is compatible with common serial applications and serial port debug tools, with no secondary development required, implementing wireless UART and UART extension.
CH224DS1.PDF 1.6 2022-04-25 1.03MB
CH224 datasheet. CH224 can act as Type-C UFP and support multiple fast charging protocols such as PD on Type-C and Type-A interfaces. It supports E-Mark simulation and the maximum supported power is 100W. The request voltage can be adjusted in real time.
CH372DS3.PDF 1.0 2021-11-29 78.3KB
USB bus interface chip CH372G (serial bus parallel mode) datasheet. The sixteen CH372G chips can be connected to the asynchronous serial bus at the same time.