file name version upload time size
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.
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.