本工程在mega16单片机上实现MP3的播放，MP3解码器采用VS1003芯片硬件解码，mega16作为主控和显示以及读取SD卡的数据，采用TEA5767实现收音机功能，pt2314实现2声道的音量调节-The project SCM implementation in mega16 MP3 playback, MP3 decoder chip hardware decoding using VS1003, mega16 as the main control and display and r