file name version upload time size
CH573DS1.PDF 1.8 2021-11-19 1.35MB
CH573 datasheet. A microcontroller based on 32-bit RISC-V instruction set for BLE wireless communication. It provides 448K ROM and 18K SRAM, and the minimum power is 0.3uA. It integrates with full-speed USB host and device controller and transceiver, 12-bit ADC, touch-key detection module, RTC, power management, etc. It provides Bluetooth Low Energy protocol stack and API.
CH568DS1.PDF 1.2 2021-12-03 1.07MB
CH568 datasheet. CH568 is a 32-bit MCU. The system clock frequency can be up to 120MHz. CH568 has built-in high-speed USB host-slave controller, SATA controller and 4 sets of SD controllers, provides two encryption algorithms, SM4 and AES, and supports eight encryption modes. In addition, CH568 provides abundant peripherals, such as 4 sets of UARTs, 3 sets of timers and 7 sets of PWMs, 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.
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.
CH9121DS1.PDF 2.2 2021-11-19 323KB
CH9121 datasheet. Realize transparent transmission between UART and Ethernet. It supports UART and network configuration. It has built-in PHY, and supports serial device to connect to the network.
CH340DS1.PDF 2.7 2021-07-05 570KB
CH340 datasheet, USB bus converter chip which realizes USB to serial port/printer port, etc., integrated crystal oscillator, chip information can be customized. Drivers support Windows/Linux/Android/Mac, etc. The datasheet is the the description of USB to serial port.
CH579DS1.PDF 1.8 2021-11-19 1.37MB
CH579 datasheet. A microcontroller with 32-bit Cortex-M0 core for BLE wireless communication. It provides 250K ROM and 32K SRAM, and the minimum power is 0.2uA. It integrates with Ethernet controller and transceiver, full-speed USB host and device controller and transceiver, segment LCD driver module, 12-bit ADC, touch-key detection module, RTC, etc. It also provides Ethernet and Bluetooth Low Energy protocol stack and API.
CH9141DS1.PDF 2.1 2021-11-29 292KB
CH9141 datasheet. BLE and UART bidirectional transparent transmission chip, supports BLE and UART interface configuration, provides IO, ADC and other functions. It is convenient for serial device to realize BLE connection. The computer end provides BLE virtual serial port driver, compatible with common serial application program and serial port debug tools. CH9141 realizes wireless UART and UART extension, without secondary development.
CH9329DS1.PDF 1.1 2021-11-18 210KB
CH9329 datasheet, serial port to standard USB HID keyboard/mouse/custom HID device, supports multiple working modes and serial communication modes.
CH343DS1.PDF 1.5 2021-11-18 241KB
CH343 datasheet, USB to single serial port, supports up to 6M baud rate, serial port signals support 5V/3.3V/2.5V/1.8V, built-in crystal oscillator. CH343 supports built-in CDC driver in operating system or multi-functional high-speed VCP manufacture driver.