file name version upload time size
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.
CH132DS1.PDF 2.1 2023-12-19 342KB
CH132 datasheet. A UTMI+ Low Pin Interface (ULPI) High-Speed USB PHY/Transceiver. The CH132 can transmit and receive data at high speed (480 Mbps), full speed (12 Mbps) and low speed (1.5 Mbps). It is ideal for use in MCU or FPGA with ULPI Interface.
CH559DS1.PDF 1.6 2022-08-01 895KB
CH559 datasheet. Dual low/full-speed USB host/device +ADC 8-bit E8051 MCU. 64KB Flash-ROM, 6KB on-chip xRAM. Supports USB host and USB device modes. Provides dual port Root-HUB, ADC, 4 timers/PWM, 2 UARTs, 2 SPIs, etc.
CH217DS1.PDF 1.1 2023-10-11 230KB
USB current limiting power distribution switch chip CH217 datasheet, the internal integration of over-current protection, over-temperature protection, under-voltage protection, adjustable current limiting threshold and other modules, for computers, USB host, USB HUB , chargers and other ports of 5V power control.
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.
CH592DS1.PDF 1.5 2024-01-10 1.43MB
Information change in the download page (Software introduction/application scope):CH591 and CH592 datasheet, CH592 is a RISC-V MCU microcontroller with integrated BLE wireless communication. On-chip integration of 2Mbps BLE communication module, full-speed USB host and device controller and transceiver, segment LCD driver module, SPI, 4 serial ports, 12-channel ADC, TouchKey detection module and other rich peripheral resources.
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 1.7 2023-07-07 785KB
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.
CH334DS0.PDF 2.0 2023-11-14 130KB
CH334/CH335 introduction. 4-port USB2.0 high-speed HUB controller. CH334/CH335 supports high-performance MTT, and supports over-current detection and port power control. It can be applied to computers, industrial computer motherboards, peripherals, embedded systems, etc.
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.