Cirrus Logic CS4205 - Manual (Page 48)

CS4205
48 DS489PP4
5.32 Serial Data Port Volume Control Registers (Index 6Eh, Address 06h - 07h)
Mute Serial Data Port Mute. Setting this bit mutes the respective input signal, both left and right inputs.
GL[5:0] Left Volume Control. The GL[5:0] bits are used to control the serial data port left channel output
volume. Each step corresponds to 1 dB gain adjustment. The total range is 0 dB to -63 dB gain.
GR[5:0] Right Volume Control. The GR[5:0] bits are used to control the serial data port right channel out-
put volume. Each step corresponds to 1 dB gain adjustment. The total range is 0 dB to -63 dB
gain.
Default 8000h. This value corresponds to 0 dB gain and Mute ‘set’.
The Serial Data Port Volume Control Registers are listed in Table 18.
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Mute 0 GL5 GL4 GL3 GL2 GL1 GL0 0 0 GR5 GR4 GR3 GR2 GR1 GR0
Register Address Function
06h SDOUT Volume
07h SDO2 Volume
Table 18. Serial Port Volume Control Register Index