CH340DS1.PDF


The scope of application version upload time size
CH340 2.7 2021-07-05 570KB download
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.

relation files

file name file content
CH341SER.EXE CH340/CH341 USB to serial port Windows driver, supports 32/64-bit Windows 10/8.1/8/7/VISTA/XP, Server 2016/2012/2008/2003, 2000/ME/98,Microsoft WHQL Certified, supports USB to 3 and 9 wire serial ports. Used to distribute to the end user with the product.
CH341DS1.PDF 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.
CH438DS1.PDF 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.
CH341SER_ANDROID.ZIP CH340/CH341 USB to serial port Android free drive application library, for Android OS 3.1 and above version which supports USB Host mode already, no need to load Android kernel driver, no root privileges. Contains apk, lib library file (Java Driver), App Demo Example (USB to UART Demo SDK).
CH9340DS.PDF CH9340 datasheet, USB CDC to single serial port, built-in crystal oscillator, supports built-in CDC driver in operating system.