作为从,输入BCLK=256K,配置NADC=MADC=1;AOSR=32，得ADC_FS=8K,
IN2L 2N3L 差分输入,IN2R IN3R 差分输入
配置如下，大家看看有什么问题，请指正！
w 30 00 00
w 30 00 01
#ADC_FS=8K
w 30 04 01 // CODE_CLKIN =BCLK
w 30 12 81 // NADC = 1
w 30 13 81 // MADC=1
w 30 14 20 // AOSR=32
w 30 35 12 //
w 30 51 c2 //L/R ADC power up
w 30 52 00 //Left&right ADC channel not muted
w 30 53 28 // Left Volume 20db
w 30 54 28 // Right Volume 20db
w 30 00 01 // pag 1
w 30 34 3f // IN2L(P) as PLUS and IN3L(M) as MINUS Inputs
w 30 37 3f //IN2R(P) as PLUS and IN3R(M) as MINUS Inputs.
w 30 3b 50 //left PGA =40db
w 30 3c 50 //right PGA =40db
w 30 00 00 // page0
w 30 52 00 // ADC not mute
