file name version upload time size
CH549DS1.PDF 1.5 2021-11-19 1.13MB
CH549/CH548 datasheet. An 8-bit enhanced USB MCU with multiple interfaces. It provides 64K program ROM and 2K+256 RAM. It supports USB host, USB device and Type-C CC and PD. It provides 16-channel Touch-key, 16-channel ADC, 3 sets of timers, 8-channel PWM, 4-channel UART and SPI, etc.
CH32V103DS0.PDF 1.0 2021-11-29 1.16MB
CH32V103 datasheet. 32-bit general microcontroller with RISC-V instruction set, has features of fast interrupt response and low power. CH32V103 provides the following abundant peripherals: USB2.0 host/slave controller, multi-channel touchkey detection (TouchKey), DMA controller, 12-bit ADC, RTC, 7 sets of timers, multiple sets of I2C/USART/SPI interfaces. CH32V103 meets the needs of various applications in motor control, sensor acquisition, medical care, consumer electronics and other markets.
CH9140DS1.PDF 1.2 2021-11-29 330KB
CH9140 datasheet. BLE to UART bridge controller, supports BLE master-slave integrated mode and slave mode, can realize automatic connection or binding in BLE master-slave mode. The computer end provides BLE virtual serial port driver, compatible with common serial application program and serial port debug tools. CH9140 realizes wireless UART and UART extension, without secondary development.
CH9344DS1.PDF 1.3 2021-11-18 726KB
CH9344 datasheet, USB to quad serial ports, supports up to 12Mbps baud rate and hardware flowcontrol, provides RS485 direction control and GPIO and other signal pins, which can expand UART for computer or upgrade directly common serial device or MCU to USB bus.
CH341DS1.PDF 3.3 2021-07-03 1.25MB
CH341 datasheet, USB bus converter chip with multiple communication interfaces, such as USB to serial port/parallel port/printer port/I2C interface etc. Drivers support for Windows/Linux/Android/Mac, etc. The datasheet is the description of USB to serial port and printer port.
CH374DS1.PDF 3.2 2021-11-19 256KB
CH374 datasheet. CH374 is a USB-HOST&DEVICE general interface chip. It supports USB host and USB device, supports 12M USB full-speed communication and 1.5M low-speed communication, supports 8-bit parallel interface or SPI interface, supports all types of USB transmission and Hub operation, etc.
CH9328DS1.PDF 1.6 2021-11-18 316KB
CH9328 datasheet, serial port to USB HID keyboard, serial port to receive data, according to HID keyboard device specification, upload to computer via USB bus, no need to install driver.
CH552DS1.PDF 1.5 2021-11-29 796KB
CH551/CH552 datasheet. CH551/CH552 is a low-speed/full-speed USB device and low-cost 8-bit E8051 MCU, with 16K flash+1K RAM 6-channel touch-key detection, ADC, two UARTs, unique ID, etc. CH551/CH552 supports ISP library.
CH567DS1.PDF 1.1 2021-11-19 1.12MB
CH567 datasheet. CH567 is a 32-bit MCU. The system frequency can be up to 120MHz. It provides built-in 2-channel high-speed USB host/slave controller, 4 sets of SD controllers. It provides 2 encryption algorithms, SM4 and AES, and provides 8 encryption modes. It also provides 4 UARTs, 3 sets of timers, 7 sets of PWMs and other peripherals.
CH246DS1.PDF 1.4 2021-11-29 493KB
CH246 datasheet. Wireless Charging Management Chip, integrates with wireless charging transceiver module and small signal decoding circuit, can easily implement various WPC Qi wireless charging solutions in addition to some customer-defined software.