cs42528的AD/DA芯片，程序使用单CS42528完成通道选择、音量调节、还有一路SFDIF的PCM输入解码。本程序的人机操作为按键+遥控。-the cs42528 of AD/DA chip program uses single CS42528 complete channel selection, volume adjustment, there the way SFDIF of PCM input decoding. This program man-machine key+ re