利用ZG-211单片机系统实验板和芯片CH451、89S52进行详细的硬件设计，并在KEILC UVISION2 集成开发环境下编辑、编译、运行C语言程序，使得实验板能正常操作LED 数码显示，能通过中断方式接收按键信息。

即启动实验板，数码管将自动显示“12345678”

按下1 号按键，显示“001”；

按下2 号按键，显示“002”；

按下3 号按键，显示“003”；

按下4 号按键，显示“004”；

-The hardware design in detail using ZG-211 microcontroller experiment board and chip CH451, 89S52, and in the KEILC integrated development environment UVISION2 editor, compiler, run the C language program, the board can the normal operation of LED digital display, can receive the key information by the way of interrupt.



Press the 1 button, display "001"



Press the 3 button, display "003"



Press the 4 button, display "004"