DataSheet


file name version upload time size
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 3.3 2024-01-02 264KB
CH340 datasheet, USB bus converter chip which converts USB to serial port, printer port, IrDA SIR etc. Integrated clock, supports various operating systems, chip information can be customized, this datasheet is about USB to serial port and USB to Infrared Adapter SIR.
CH251DS1.PDF 1.1 2024-02-29 251KB
eMarker chip CH251 datasheet, CH251 is a simplified version of the eMarker chip, single chip integrated VCONN diode and Ra resistor, support USB Type-C 2.1 standard and USB PD 3.1 standard, VBUS support high-voltage power supply, can be used for Type-C five-core cable related applications.
CH452DS1.PDF 2.7 2021-11-29 368KB
CH452 datasheet. CH452 can be used for 64 LEDs or 8×8 segment digital tube drive and 64-key keyboard scanning control, simplifying the workload of MCU.
CH579DS1.PDF 2.1 2023-01-31 1.15MB
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.
CH423DS1.PDF 2.2 2023-11-28 250KB
CH423 datasheet. A remote I/O expander with 2-wire serial interface, used for 16 digital tube display or I/O expansion applications through two wires. The input terminal is a two-wire interface compatible with I2C, and the output terminal is an 8-bit bidirectional input/output port and a 16-bit high-current output port.
CH32X035RM.PDF 1.6 2024-03-12 2.56MB
Information change in the download page (Software introduction/application scope):The CH32X035 series reference manual, developed for the user's application, provides detailed information on the use of the CH32X035 products for the different functional resources and packages in the series.
CH339DS1.PDF 1.0 2024-03-11 1.09MB
Industrial-grade 7-Port Multi-Function HUB Chip CH339 Datasheet, 7-port USB2.0 high-speed HUB chip, supports high performance MTT mode, 7 downstream ports concurrent processing, supports overcurrent detection and port power control, and at the same time has USB 100 Gigabit Ethernet, USB high speed SD card reader, USB PD and USB to SPI, USB to JTAG, USB to UART, USB to I2C interface and other functions. It can be applied to computer and industrial controller motherboards, docking stations, peripherals, embedded systems and other scenarios.
CH641DS0.PDF 1.4 2024-03-12 491KB
PD wireless charging MCU datasheet, CH641 is based on QingKe RISC-V core, 1-wire SDI, built-in PD PHY, BC interface, differential current sampling, motor PWM, single chip built-in 12V high-voltage IO driver MOS, supports typeC fast charging, provides overvoltage and overtemperature protection.
CH318DS1.PDF 1.1 2024-02-06 233KB
High-speed USB signal isolation extender chip CH318 datasheet, USB high-speed signal isolation and transmission distance extension control chip, support capacitive coupling or network transformer coupling, USB signal isolation as well as real-time transit and transmission distance extension of USB signals. It can be used for high-speed USB signal isolation, isolation HUB, extension HUB and so on.