CS42325 Datasheet, PDF (58/71 Pages) Cirrus Logic – 10-In, 6-Out, 2 Vrms Audio CODEC with Headphone

6.14.2 AOUT3/HP Select
These bits are used to select the analog output source.
AOUT3_SEL[2:0]
000
Reserved
001
AIN Pair 1
010
AIN Pair 2
011
AIN Pair 3
100
AIN Pair 4
101
AIN Pair 5
110
DAC1 Output Pair
111
DAC2 Output Pair
AOUT3/HP Source
CS42325
6.15 ADCx Volume Control: ADCA (Address 10h) & ADCB (Address 11h)
7
6
5
4
3
2
1
0
ADCx_VOL7 ADCx_VOL6 ADCx_VOL5 ADCx_VOL4 ADCx_VOL3 ADCx_VOL2 ADCx_VOL1 ADCx_VOL0
The level for each channel of the ADC can be adjusted in 0.5 dB increments as dictated by the ADC Soft
and Zero Cross bits (ADC_SOFT) from +12 to -84 dB. Levels are decoded in two’s complement, as shown
in the table below.
Binary Code
0001 1000
···
0000 0000
1111 1111
1111 1110
···
0101 1000
All other values
Volume Setting
+12.0 dB
···
0.0 dB
-0.5 dB
-1.0 dB
···
-84.0 dB
Reserved
6.16 DAC1x Volume Control: DAC1A (Address 12h) & DAC1B (Address 13h)
7
6
5
4
3
2
1
0
DAC1x_VOL7 DAC1x_VOL6 DAC1x_VOL5 DAC1x_VOL4 DAC1x_VOL3 DAC1x_VOL2 DAC1x_VOL1 DAC1x_VOL0
The level for each channel of DAC1 output can be adjusted in 0.5 dB increments as dictated by the DAC1
Soft and Zero Cross bits (DAC1_SOFT & DAC1_ZC) from 0 to -127.5 dB. Levels are decoded as unsigned,
as shown in the table below.
Binary Code
0000 0000
0000 0001
0000 0010
···
1111 1111
Volume Setting
0 dB
-0.5 dB
-1.0 dB
···
-127.5 dB
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DS838A2