Cirrus Logic CS42L55 - Manual (Page 52)

52 DS773F1
CS42L55
6.15 PCMx Mixer Volume:
PCMA (Address 12h) & PCMB (Address 13h)
6.15.1 PCM Mixer Channel x Mute
Configures a digital mute on the PCM mix from the serial data input (SDIN) to the DSP Engine.
6.15.2 PCM Mixer Channel x Volume
Sets the volume/gain of the PCM mix from the serial data input (SDIN) to the DSP Engine.
7 6 5 4 3 2 1 0
PMIXxMUTE PMIXxVOL6 PMIXxVOL5 PMIXxVOL4 PMIXxVOL3 PMIXxVOL2 PMIXxVOL1 PMIXxVOL0
PMIXxMUTE PCM Mixer Mute
0 Disabled
1 Enabled
PMIXxVOL[6:0] Volume
001 1000 +12.0 dB
... ...
000 0001 +0.5 dB
000 0000 0 dB
111 1111 -0.5 dB
... ...
001 1001 -51.5 dB
Step Size: 0.5 dB