Introduction - If you have any usage issues, please Google them yourself
Based on the independently developed low-speed USB device control USBL65C02 chip developed in line with the HID specification a generic USB multimedia keyboard introduced the design of hardware and software programs, as well as keyboard format statements
Packet : 73462686usbl65c02jianpankaifa.rar filelist
基于USBL65C02的多媒体通用USB键盘开发.pdf