8051 led 灯闪烁和2个按键控制跑马灯程序运行控制-8051 led flash and the 2 keys control code run

8051单片机正常的运行LED 闪烁程序，验证是基于ADUC812单片机调试能正常运行-the 8051 mcu code about LED falsh

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