WM8775

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PP Rev 1.8, June 2004

28

SOFTWARE REGISTER RESET

Writing to register 0010111 will cause a register reset, resetting all register bits to their default

values.

REGISTER MAP

The complete register map is shown below. The detailed description can be found in the relevant text of the device description. The

WM8775 can be configured using the Control Interface. All unused bits should be set to ‘0’.

REGISTER

B

15

B

14

B

13

B

12

B

11

B

10

B

9

B8

B7

B6

B5

B4

B3

B2

B1

B0

DEFAULT

(HEX)

R7 (07h)

0

0

0

0

1

1

1

0

0

0

0

0

TOD

0

0

0

000

R11 (0Bh)

0

0

0

1

0

1

1

ADCHPD

0

ADCMCLK

ADCWL[1:0]

ADCBCP ADCLRP

ADCFMT[1:0]

022

R12 (OCh)

0

0

0

1

1

0

0

ADCMS

0

0

0

0

ADCOSR

ADCRATE[2:0]

022

R13 (0Dh)

0

0

0

1

1

0

1

0

0

AINPD

0

0

0

0

ADCPD

PWDN

000

R14 (0Eh)

0

0

0

1

1

1

0

ZCLA

LAG[7:0]

0CF

R15 (0Fh)

0

0

0

1

1

1

1

ZCRA

RAG[7:0]

0CF

R16 (10h)

0

0

1

0

0

0

0

LCSEL[1:0]

MAXGAIN[2:0]

LCT[3:0]

07B

R17 (11h)

0

0

1

0

0

0

1

LCEN

ALCZC

0

0

0

HLD[3:0]

000

R18 (12h)

0

0

1

0

0

1

0

0

DCY[3:0]

ATK[3:0]

032

R19 (13h)

0

0

1

0

0

1

1

0

0

0

0

NGTH[2:0]

0

NGAT

000

R20 (14h)

0

0

1

0

1

0

0

0

0

TRANWIN [2:0]

MAXATTEN [3:0]

0A6

R21 (15h)

0

0

1

0

1

0

1

LRBOTH

MUTELA

MUTERA

0

AMX[3:0]

001

R23 (17h)

0

0

1

0

1

1

1

SOFTWARE RESET

not reset