这个源码详细的描述了用STC89C55RD+单片机读取SD卡，并且在彩屏上面来来显示，刷新，此源码稍微修改即可DIY一个MP3播放器。-Detailed descr iption of the source microcontroller with STC89C55RD+ read the SD card, and in the color to be displayed above, refresh, this source is slightly modified to DIY a MP3