WM8731SED_13 Datasheet, PDF (52/65 Pages) Wolfson Microelectronics plc – Portable Internet Audio CODEC with Headphone Driver and Programmable Sample Rates

WM8731 / WM8731L
REGISTER
ADDRESS
0000101
Digital Audio
Path Control
0000110
Power Down
Control
BIT
LABEL
DEFAULT
Production Data
DESCRIPTION
0
ADCHPD
0
2:1 DEEMP[1:0] 00
3
DACMU
1
4
HPOR
0
0
LINEINPD
1
1
MICPD
1
2
ADCPD
1
3
DACPD
1
4
OUTPD
1
5
OSCPD
0
6
CLKOUTPD 0
7
POWEROFF 1
ADC High Pass Filter Enable
1 = Disable High Pass Filter
0 = Enable High Pass Filter
De-emphasis Control
11 = 48kHz
10 = 44.1kHz
01 = 32kHz
00 = Disable
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
Line Input Power Down
1 = Enable Power Down
0 = Disable Power Down
Microphone Input an Bias Power
Down
1 = Enable Power Down
0 = Disable Power Down
ADC Power Down
1 = Enable Power Down
0 = Disable Power Down
DAC Power Down
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
1 = Enable POWEROFF
0 = Disable POWEROFF
w
PD, Rev 4.9, October 2012
52