User guide

DS900F1 53
CS4244
6.11 DAC Control 3 (Address 14h)
6.11.1 DAC1-4 Attenuation
Sets the mode of attenuation used for the DAC1-4 path.
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.
6.12 DAC Control 4 (Address 15h)
6.12.1 VQ Ramp
Ramps common mode voltage “VQ” down to ground. This bit needs to be set before asserting reset pin.
6.12.2 Power Down DACx
Powers down the DACx path.
76543210
Reserved DAC1-4 ATT Reserved Reserved MUTE DAC4 MUTE DAC3 MUTE DAC2 MUTE DAC1
DAC1-4 ATT Attenuation events happen:
0 On a soft ramp
1 Immediately
MUTE DACx DACx is:
0 Not Muted
1 Muted
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VQ RAMP Reserved[1:0] Reserved 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.
PDN DACx DACx is:
0 Powered Up
1 Powered Down