CS4226 Datasheet, PDF (23/60 Pages) Cirrus Logic – Surround Sound Codec

CS4226
Output Attenuator Data Byte (04h, 05h, 06h, 07h, 08h, 09h)
B7
B6
B5
B4
B3
0
ATT6
ATT5
ATT4
ATT3
ATT6-ATT0
Sets attenuator level
0 - No attenuation
127 - 127 dB attenuation
ATT0 represents 1.0 dB of attenuation
This register defaults to 7Fh.
B2
ATT2
B1
ATT1
B0
ATT0
DAC Status Report Byte (Read Only) (0Ah)
B7
B6
B5
B4
B3
B2
0
-
ACC6
ACC5
ACC4
ACC3
ACC6-ACC1
Acceptance Bit
1 - New setting is waiting for zero-crossing to be accepted.
0 - ATT6-ATT0 has been accepted.
This register is read-only.
B1
ACC2
B0
ACC1
ADC Control Byte (0Bh)
B7
B6
B5
B4
B3
B2
B1
B0
IS1
IS0
0
AIS1
AIS0
MUTM
MUTR
MUTL
MUTL, MUTR, MUTM - Left, right and mono channel mute control
0 - Normal output level
1 - Selected ADC output muted
AIS1-AIS0
ADC analog input mux control
0 - Selects stereo pair 1
1 - Selects stereo pair 2
2 - Selects stereo pair 3
3 - Differential Input
IS1-IS0
Input mux selection
0 - Stereo ADC output to SDOUT1, Mono ADC output to SDOUT2
1 - Auxiliary Digital Input Port or S/PDIF Reciever to SDOUT1, Mono ADC output to SDOUT2
2 - Auxiliary Digital Input Port or S/PDIF Receiver to SDOUT1, Stereo ADC output to SDOUT2
3 - Not used.
This register defaults to 00h.
DS188F1
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