Cirrus Logic CS42L52 - Manual (Page 64)

64 DS680F2
CS42L52
3/1/13
6.27 Speaker Volume Control: SPKA (Address 24h) and SPKB (Address 25h)
6.27.1 Speaker Volume Control
Sets the volume of the signal out the PWM modulator.
Note: The maximum step size error is ±0.15 dB.
6.28 ADC and PCM Channel Mixer (Address 26h)
6.28.1 PCM Mix Channel Swap
Configures a mix/swap of the PCM Mix to the headphone/line or speaker outputs.
6.28.2 ADC Mix Channel Swap
Configures a mix/swap of the ADC Mix to the headphone/line or speaker outputs.
7 6 5 4 3 2 1 0
SPKxVOL7 SPKxVOL6 SPKxVOL5 SPKxVOL4 SPKxVOL3 SPKxVOL2 SPKxVOL1 SPKxVOL0
SPKxVOL[7:0] Speaker Volume
0000 0000 0 dB
1111 1111 -0.5 dB
1111 1110 -1.0 dB
··· ···
0100 0000 -96.0 dB
··· ···
0000 0001 Muted
Step Size: 0.5 dB
7 6 5 4 3 2 1 0
PCMASWP1 PCMASWP0 PCMBSWP1 PCMBSWP0 ADCASWP1 ADCASWP0 ADCBSWP1 ADCBSWP0
PCMxSWP[1:0] PCM Mix to HP/LINEOUTA PCM Mix to HP/LINEOUTB
00 Left Right
01
(Left + Right)/2 (Left + Right)/2
10
11 Right Left
ADCxSWP[1:0] ADC Mix to HP/LINEOUTA Channel ADC Mix to HP/LINEOUTB Channel
00 Left Right
01
(Left + Right)/2 (Left + Right)/2
10
11 Right Left