WM8731 / WM8731L
Production Data
DESCRIPTION
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
0000101
0
ADCHPD
0
ADC High Pass Filter Enable
1 = Disable High Pass Filter
0 = Enable High Pass Filter
De-emphasis Control
11 = 48kHz
Digital Audio
Path Control
2:1
DEEMP[1:0]
00
10 = 44.1kHz
01 = 32kHz
00 = Disable
3
4
DACMU
HPOR
1
0
DAC Soft Mute Control
1 = Enable soft mute
0 = Disable soft mute
Store dc offset when High Pass Filter
disabled
1 = store offset
0 = clear offset
0000110
0
1
LINEINPD
MICPD
1
1
Line Input Power Down
1 = Enable Power Down
0 = Disable Power Down
Power Down
Control
Microphone Input an Bias Power
Down
1 = Enable Power Down
0 = Disable Power Down
ADC Power Down
2
3
4
5
6
7
ADCPD
1
1
1
0
0
1
1 = Enable Power Down
0 = Disable Power Down
DAC Power Down
DACPD
1 = Enable Power Down
0 = Disable Power Down
Outputs Power Down
1 = Enable Power Down
0 = Disable Power Down
Oscillator Power Down
1 = Enable Power Down
0 = Disable Power Down
CLKOUT power down
1 = Enable Power Down
0 = Disable Power Down
POWEROFF mode
OUTPD
OSCPD
CLKOUTPD
POWEROFF
1 = Enable POWEROFF
0 = Disable POWEROFF
PD, Rev 4.9, October 2012
52
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
