Product Preview

WM8774

PP Rev 1.0 June 2002

29

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

R0(00h)

0

0

0

0

0

0

0

UPDATE

LZCEN

LA[6:0]

X01111111

R1(01h)

0

0

0

0

0

0

1

UPDATE

RZCEN

RA[6:0]

X01111111

R8(08h)

0

0

0

1

0

0

0

UPDATE

MZCEN

MASTA[6:0]

X01111111

R9(09h)

0

0

0

1

0

0

1

UPDATE

LDA[7:0]

X11111111

R10(0Ah)

0

0

0

1

0

1

0

UPDATE

RDA[7:0]

X11111111

R17(11h)

0

0

1

0

0

0

1

UPDATE

MASTDA[7:0]

X11111111

R18(12h)

0

0

1

0

0

1

0

x

PHASE[7:0]

000000000

R19(13h)

0

0

1

0

0

1

1

x

PL

TOD

IZD

ATC

DZCEN

010010000

R20(14h)

0

0

1

0

1

0

0

x

x

x

RECEN

x

x

x

x

DMUTE

000000000

R21(15h)

0

0

1

0

1

0

1

x

x

x

x

x

x

x

x

DEEM

P

000000000

R22(16h)

0

0

1

0

1

1

0

ADCHPD

x

x

WL[1:0]

BCP

LRP

FMT[1:0]

000100010

R23(17h)

0

0

1

0

1

1

1

MS

x

DACRATE[2:0]

ADCOS

R

ADCRATE[2:0]

000010010

R24(18h)

0

0

1

1

0

0

0

x

x

x

x

x

x

DACD

ADCD

PWDN

000111110

R25(19h)

0

0

1

1

0

0

1

x

ADCMUTE

LRBOTH

MUTE

LAG[4:0]

000001100

R26(1Ah)

0

0

1

1

0

1

0

x

x

LRBOTH

MUTE

RAG[4:0]

000001100

R27(1Bh)

0

0

1

1

0

1

1

AINPD

0

RMX[2:0]

x

LMX[2:0]

100000000

R28(1Ch)

0

0

1

1

1

0

0

x

OUTPD

x

x

x

x

MX[2:0]

110001001

R31(1Fh)

0

0

1

1

1

1

1

RESET

not reset

ADDRESS

DATA

DEFAULT