DataSheet


file name version upload time size
CH455DS1.PDF 1.5 2021-11-29 192KB
CH455 datasheet. CH455 can be used for 32 LEDs or 4 digital tubes drive, and 28-key keyboard and 3 combination keys scanning control.
CH421DS1.PDF 2.1 2021-11-29 162KB
CH421 datasheet. Bidirectional buffer interface chip. The CH421 supports parallel port communication, asynchronous data exchange, no need to synchronization or waiting during read/write operations. The maximum transfer speed is not less than 7Mbytes per second. It can be used for 8-bit parallel port exchange data between two MCUs.
CH372DS1.PDF 4.0 2021-11-29 213KB
CH372/CH375/CH376 (device mode) datasheet. Easy-to-use USB-DEVICE general interface chip, used for users to quickly develop USB products. This datasheet introduces the basic transfer commands of USB devices.
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.