|CH340/CH341 USB to serial port One-Key installation VCP vendor driver for Windows, supports Windows 11/10/8.1/8/7/VISTA/XP/2000/98，Server 2022/2019/2016/2012/2008/2003 -32/64bit, Microsoft WHQL/HCK Certified, supports USB to 3-line and 9-line serial port. Used to distribute to user with the product.
|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.
|CH432 datasheet. Dual-UART expander. Compatible with 16C550. 8-bit parallel port or SPI to UART. Each UART receive/transmit data independently. Up to 4Mbps baud rate. Can be used for MCU dual-UART expansion. CH432 supports full-duplex/half-duplex/infrared modes.
|CH315 datasheet. CH315G is a USB1.1 extension cable control chip. The extension distance of network cable can be up to 300 meters. CH315H is a USB signal isolation control chip, used for optoelectronic isolator.
|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.
|USB to serial port Android driver-free installation driver, application library and demos, supports CH340/CH341/CH342/CH343/CH344/CH347/CH9101/CH9102/CH9103/CH9104/CH9143, for Android OS 4.4 and above in USB Host mode, without loading Android kernel driver and without root access operation. Includes apk installer, lib library file (Java Driver), App Demo (USB to UART Demo Project SDK)
|CH9340 datasheet, USB CDC to single serial port, built-in crystal oscillator, supports built-in CDC driver in operating system.