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Production Data
WM8580
w
PD, Rev 4.7, March 2009
87
REGISTER
ADDRESS
BIT LABEL DEFAULT
DESCRIPTION
1:0 DAC1SEL
[1:0]
00
3:2 DAC2SEL
[1:0]
01
5:4 DAC3SEL
[1:0]
10
DAC digital input select
00 = DAC takes data from DIN1
01 = DAC takes data from DIN2
10 = DAC takes data from DIN3
R15
DAC
Control 1
0Fh
8
RX2DAC_MODE
0
DAC oversampling rate and power down control (only valid when
DAC_SRC = 00, S/PDIF receiver)
0 = SFRM_CLK determines oversampling rate, DACs 2/3
powered down
1 = PAIFRX_LRCLK determines oversampling rate, DACs 2/3
source PAIF Receiver
PL[3:0]
Left O/P
Right O/P
0000 Mute
Mute
0001 Left
Mute
0010 Right
Mute
0011 (L+R)/2
Mute
0100 Mute
Left
0101 Left
Left
0110 Right
Left
0111 (L+R)/2
Left
1000 Mute
Right
1001 Left
Right
1010 Right
Right
1011 (L+R)/2
Right
1100 Mute
(L+R)/2
1101 Left
(L+R)/2
1110 Right
(L+R)/2
3:0 PL[3:0]
1001
1111 (L+R)/2
(L+R)/2
6:4
DZFM[2:0]
000
Selects the source for ZFLAG
000 All DACs Zero Flag
001 DAC1 Zero Flag
010 DAC2 Zero Flag
011 DAC3 Zero Flag
100 ZFLAG = 0
101 ZFLAG = 0
110 ZFLAG = 0
111 ZFLAG = 0
R16
DAC
Control 2
10h
7
IZD
0
Infinite zero detection circuit control and automute control
0 = Infinite zero detect automute disabled
1 = Infinite zero detect automute enabled
2:0 DEEMP[2:0]
000
De-emphasis mode select
DEEMP[0] = 1, enable De-emphasis on DAC1
DEEMP[1] = 1, enable De-emphasis on DAC2
DEEMP[2] = 1, enable De-emphasis on DAC3
R17
DAC
Control 3
11h
4 DEEMPALL
0
0 = De-emphasis controlled by DEEMP[2:0]
1 = De-emphasis enabled on all DACs
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