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WM8774
REGISTER MAP
The complete register map is shown below. The detailed description can be found in the relevant text of the device description. The
WM8774 can be configured using the Control Interface. All unused bits should be set to ‘0’.
REGISTER B15 B14 B13 B12 B11 B10 B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
UPDATE
LZCEN
LA[6:0]
X01111111
R0(00h)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
0
0
1
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
UPDATE
RZCEN
MZCEN
RA[6:0]
X01111111
X01111111
X11111111
X11111111
X11111111
000000000
R1(01h)
UPDATE
MASTA[6:0]
R8(08h)
UPDATE
LDA[7:0]
R9(09h)
UPDATE
RDA[7:0]
MASTDA[7:0]
PHASE[7:0]
R10(0Ah)
R17(11h)
R18(12h)
R19(13h)
R20(14h)
R21(15h)
R22(16h)
R23(17h)
R24(18h)
R25(19h)
R26(1Ah)
R27(1Bh)
R28(1Ch)
R31(1Fh)
UPDATE
x
x
PL
TOD
IZD
ATC
DZCEN 010010000
DMUTE 000000000
x
x
x
x
x
x
x
x
x
RECEN
x
x
x
x
x
x
x
x
DEEM
P
x
x
000000000
000100010
ADCHPD
WL[1:0]
BCP
LRP
FMT[1:0]
ADCOS
R
MS
DACRATE[2:0]
ADCRATE[2:0]
000010010
x
x
x
x
x
DACD
LAG[4:0]
RAG[4:0]
ADCD PWDN 000111110
000001100
x
ADCMUTE LRBOTH
MUTE
MUTE
RMX[2:0]
x
x
AINPD
x
x
0
LRBOTH
000001100
x
x
LMX[2:0]
MX[2:0]
100000000
110001001
not reset
OUTPD
x
x
RESET
DATA
DEFAULT
ADDRESS
PP Rev 1.0 June 2002
29
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
