cs4222 Cirrus Logic, Inc., cs4222 Datasheet - Page 26

• Manufacturer Part Number: cs4222
• Description: 20-bit Stereo Codec With Volume Control
• Manufacturer: Cirrus Logic, Inc.

DAC Control Byte (2)
PDDA
MUTC
MUTR-MUTL
SOFT
RMP1-0
This register defaults to 00h.
Output Attenuator Data Byte (3, 4)
ATT7-ATT0
This register defaults to 00h.
26
PDDA
ATT7
B7
B7
MUTC
ATT6
B6
B6
Powers down DAC
0 - Normal.
1 - Power down
Controls mute on consecutive zeros function
0 - 512 consecutive zeros will mute DAC
1 - DAC output will not mute on zeros.
Mute control bits
0 - Normal output level
1 - Selected DAC output muted
Soft Mute Control
0 - Volume control changes, muting and mute-on-zeros occur with "ramp"
1 - Volume control changes, muting and mute-on-zeros occur on zero crossings
Soft Volume 0.5 dB step rate
0 - 1 step per 8 LRCK's
1 - 1 step per 4 LRCK's
2 - 1 step per 16 LRCK's
3 - 1 step per 32 LRCK's
Sets attenuator level
0 - No attenuation
227 - 113.5 dB attenuation
>227 - DAC muted
ATT0 represents 0.5 dB of attenuation
MUTR
ATT5
B5
B5
MUTL
ATT4
B4
B4
SOFT
ATT3
B3
B3
ATT2
B2
B2
0
RMP1
ATT1
B1
B1
CS4222
RMP0
ATT0
DS236F1
B0
B0