CH9328DS1.PDF

The scope of application version upload time size
CH9328 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.
download

relation files

file name file content
CH9340DS.PDF CH9340 datasheet, USB CDC to single serial port, built-in crystal oscillator, supports built-in CDC driver in operating system.