说明：  用51单片机仿真2262和2272的编解码！！ 用51单片机仿真2262和2272的编解码！！ 用51单片机仿真2262和2272的编解码！！
(51 single-chip simulation with 2262 and 2272 codec! ! 51 single-chip simulation with 2262 and 2272 codec! ! 51 single-chip simulation with 2262 and 2272 codec! !)