sta323wqs STMicroelectronics, sta323wqs Datasheet - Page 46

• Manufacturer Part Number: sta323wqs
• Description: 2.1-channel High-efficiency Digital Audio System With Qsound Qhd??
• Manufacturer: STMicroelectronics

Register descriptions
7.8
7.8.1
Note:
7.8.2
46/72
Table 47.
When ECLE is active, it issues a power device power down signal (EAPD) on clock loss
detection.
Table 48.
EAPD is used to actively power down a connected DDX
be written to 1 at start-up to enable the DDX
Volume control
Master controls
Master mute register (address 0x06)
Master volume register (Address 0x07)
The value of volume derived from MVOL is dependent on the AMV Auto Mode Volume
settings.
Channel controls
Channel 1 volume (address 0x08)
7
7
Bit
Bit
C1V7
MV7
D7
D7
D7
1
0
R/W
R/W
R/W
R/W
Auto-EAPD on clock loss enable
External amplifier power down
D6
MV6
C1V6
D6
D6
1
1
0
0
RST
RST
D5
ECLE
EAPD
MV5
C1V5
D5
D5
Name
1
Name
1
D4
0: disabled
1: enabled
0: external power stage power down active
1: normal operation
MV4
C1V4
D4
1
D4
0
®
D3
power device for normal operation.
MV3
D3
C1V3
1
D3
0
®
D2
power device. This register has to
Description
Description
MV2
C1V2
D2
1
D2
0
D1
MV1
C1V1
D1
1
D1
0
STA323WQS
MMUTE
D0
0
MV0
C1V0
D0
D0
1
0