2 dac1-4 attenuation, 3 mute low-latency path, 4 mute dacx – Cirrus Logic CS4234 User Manual
Page 64: 18 dac control 4 (address 15h), 1 vq ramp, 2 tps mode 1 gain select, 3 power down dacx, Power down dacx, Power down dacx” bits in the, Dac control 4 (address 15h)" register
DS899F1
64
CS4234
6.17.2
DAC1-4 Attenuation
Sets the mode of attenuation used for the DAC1-4 path.
Note:
See
for details regarding the attenuation modes.
6.17.3
Mute Low-latency Path
Mutes the low-latency path.
6.17.4
Mute DACx
Mutes the DACx signal.
6.18 DAC Control 4 (Address 15h)
6.18.1
VQ Ramp
Ramps common mode voltage “VQ” down to ground. This bit needs to be set before asserting reset pin.
6.18.2
TPS Mode 1 Gain Select
When
is set to 1, this bit sets the gain of the signal through
the TPS path.
6.18.3
Power Down DACx
Powers down the DACx path.
DAC1-4 ATT
Attenuation events happen:
0
On a soft ramp
1
Immediately
MUTE LL
Low latency path is:
0
Not Muted
1
Muted
MUTE DACx
DACx is:
0
Not Muted
1
Muted
7
6
5
4
3
2
1
0
VQ RAMP
TPS GAIN
Reserved
PDN DAC5
PDN DAC4
PDN DAC3
PDN DAC2
PDN DAC1
VQ RAMP
Effect:
0
VQ is set at nominal level (VA/2)
1
VQ is ramped from nominal level to ground.
TPS GAIN
Effect:
0
Gain is 1
1
Gain is 2
PDN DACx
DACx is:
0
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