Assembler Library of MT8888. This is library to user chip MT8888 as DTMF trancivier. Asm library for 8051 family.

使用型号为CY7C68013A的USB芯片，通过开发板上的按钮控制LED灯的状态-This directory contains the dev_io 8051 firmware The purpose of this software is to demonstrate how to use the buttons and LED on the EZ-USB developer s kit. The device I/O example program uses