PIC单片机内部集成有EPROM，可用来存储数据。这是PIC16F877单片机的EPROM程序。用4*4键盘和外接喇叭，可以实现一个弹奏音乐和播放音乐的功能-PIC microcontroller integrated with internal EPROM that can be used to store data. This is the PIC16F877 MCU EPROM procedures. 4 * 4 with a keyboard and an external loudspeaker, can achieve a play music and play music function