1. 按键配置: IOA8 : 录音 // IOA9 : 停止 // IOA10: 播放 // 2. 使用IOA0~IOA7作为数据IO 0~7, IOB0~IOB5 作为控制信号线-1. Button to configure: IOA8: sound recording// IOA9: stop// IOA10: Play// 2. IOA0 ~ IOA7 use as a data IO 0 ~ 7, IOB0 ~ IOB5 as a control signal