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WM8777
OUTPUT POWERDOWN
The analogue output signal paths are all disabled by default and can be controlled by writing to the
appropriate software control register.
REGISTER ADDRESS
(2Dh)
BIT
LABEL
DEFAULT DESCRIPTION
0
AUXLPD
1
1
1
1
Auxiliary left output powerdown.
Output Powerdown
0 = enabled
1 = disabled
1
2
3
AUXRPD
SURLPD
SURRPD
Auxiliary right output powerdown.
0 = enabled
1 = disabled
Surround left output powerdown.
0 = enabled
1 = disabled
Surround Right output
powerdown.
0 = enabled
1 = disabled
4
5
6
7
8
LFEPD
CTRPD
FRTLPD
FRTRPD
HPPD
1
1
1
1
1
LFE output powerdown.
0 = enabled
1 = disabled
Center output powerdown.
0 = enabled
1 = disabled
Front Left output powerdown.
0 = enabled
1 = disabled
Front Right output powerdown.
0 = enabled
1 = disabled
Headphone output powerdown.
0 = enabled
1 = disabled
Table 9 Output Powerdown Register
PP Rev 1.94 November 2004
21
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
