CS4244 Datasheet, PDF (53/63 Pages) Cirrus Logic – 4 In/4 Out Audio CODEC with PCM and TDM Interfaces

6.11 DAC Control 3 (Address 14h)
7
Reserved
6
DAC1-4 ATT
5
Reserved
4
Reserved
CS4244
3
2
1
0
MUTE DAC4 MUTE DAC3 MUTE DAC2 MUTE DAC1
6.11.1 DAC1-4 Attenuation
Sets the mode of attenuation used for the DAC1-4 path.
DAC1-4 ATT
0
1
Attenuation events happen:
On a soft ramp
Immediately
Note: Please see Section 4.6.5 Volume Control for more details regarding the attenuation modes.
6.11.2 Mute DACx
Mutes the DACx signal.
MUTE DACx
0
1
DACx is:
Not Muted
Muted
6.12 DAC Control 4 (Address 15h)
7
VQ RAMP
6
5
Reserved[1:0]
4
Reserved
3
PDN DAC4
2
PDN DAC3
1
PDN DAC2
0
PDN DAC1
6.12.1 VQ Ramp
Ramps common mode voltage “VQ” down to ground. This bit needs to be set before asserting reset pin.
VQ RAMP
0
1
Effect:
VQ is set at nominal level (VA/2)
VQ is ramped from nominal level to ground.
6.12.2 Power Down DACx
Powers down the DACx path.
PDN DACx
0
1
DACx is:
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DS900F2
53