C51单片机一个小项目源程序:包含液晶12232驱动,AD7705驱动,按键扫描及单片机内部EEPROM的驱动,是一个比较值得参考的源程序-C51 single-chip, a small project source code: 12232 contain LCD driver, AD7705-driven, button scanning and single-chip internal EEPROM of the drive, is a more valuable reference so