This Program uses the 2131 dev board s push buttons and seven-segment LED for limited keyboard functionality and is based on the EZ-USB firmware frameworks.

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