cs4227 Cirrus Logic, Inc., cs4227 Datasheet - Page 23

• Manufacturer Part Number: cs4227
• Description: Six Channel, 20-bit Codec
• Manufacturer: Cirrus Logic, Inc.

2.16
RS
CAL
DU
CLKE
CALP
2.17
MUT6-MUT1
MUTC
ZCD
DS281PP2
CALP
ZCD
7
7
Converter Control Byte (2)
DAC Control Byte (3)
The following bits are read only:
This register defaults to 01h.
This register defaults to 3Fh.
MUTC
CLKE
0 - No Reset
1 - Reset
0 - Normal operation
1 - Rising edge initiates calibration
0 - Normal Flat DAC frequency response
1 - De-Emphasis selected
0 - No errors
1 - Crystal is not oscillating, or requesting clock change in progress
0 - Calibration done
1 - Calibration in progres
0 - Normal output level
1 - Selected DAC output muted
0 - 512 consecutive zeros will mute DAC
1 - DAC output will not mute on zeros
0 - DAC mutes and volume control changes occur on zero-crossings
1 - DAC mutes and volume control changes occur immediately.
Chip reset
Calibration control bit
Shows selected De-Emphasis setting used by DAC’s
Clocking system status
Calibration status
Mute control bits
Controls mute on consecutive zeros function
Zero crossing disable
6
6
MUT6
DU
5
5
MUT5
4
0
4
MUT4
3
0
3
MUT3
2
0
2
MUT2
CAL
1
1
CS4227
MUT1
RS
0
0
23