Set the contents of the voice data to 0, the Voice data is transmitted to TLV320AIC3206 DAC. but we measured 100mv of noise on the HPL.Because the data parts are all zeros, so we can't understand why there's noise。We want to get some help。
Here is our configuration frame：
w 30 00 00
w 30 01 01
/*--------------PLL---------------*/
//p=1 r=4 j=27 d=0
w 30 04 03
w 30 05 94
w 30 06 1B
/*-------------DAC ADC------------*/
//NDAC = 1; MDAC = 35; DOSR = 768
w 30 0B 81
w 30 0C A3
w 30 0D 03
w 30 0E 00
//NADC = 2; MADC = 105; AOSR = 128
w 30 12 82
w 30 13 E9
//select DAC PRB_P7 DAC signal Proc
w 30 3C 07
//write to Buffer A:
w 30 00 2C
//BIQUAD A Left Channel
w 30 0C 7C 73 E4 00 C1 C6 0F 00 00 00 00 00 3C 73 E6 00 00 00 00 00
//BIQUAD A Right Channel
w 30 14 7C 73 E4 00 C1 C6 0F 00 00 00 00 00 3C 73 E6 00 00 00 00 00
//select ADC PRB_R1 ADC signal Proc
w 30 3D 01
/*-----------POWER------------*/
w 30 00 01
w 30 01 08
w 30 02 00
w 30 0A 00
w 30 3D 00
w 30 03 00
w 30 04 00
w 30 47 32
w 30 7B 01
/*-----------IN1----ADC--------*/
w 30 00 01
w 30 34 80
w 30 36 80
w 30 37 80
w 30 39 80
w 30 3B 0C
w 30 3C 0C
w 30 00 00
w 30 51 C0
w 30 52 00
/*-----------HPL--------DAC-----*/
w 30 00 01
w 30 14 25
w 30 0C 08
w 30 0D 08
w 30 09 30
w 30 10 3A
w 30 11 3A
w 30 00 00
w 30 41 07
w 30 42 07
w 30 3F D6
w 30 40 00
