WM8775
Product Preview
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
B
B
B
B
B
B
9
B8
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
(HEX)
000
15 14 13 12 11 10
R7 (07h)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
1
1
1
0
0
1
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
0
0
0
0
0
ADCMCLK
0
0
0
TOD
0
0
0
R11 (0Bh)
R12 (OCh)
R13 (0Dh)
R14 (0Eh)
R15 (0Fh)
R16 (10h)
R17 (11h)
R18 (12h)
R19 (13h)
R20 (14h)
R21 (15h)
R23 (17h)
ADCHPD
ADCMS
0
ADCWL[1:0]
0
ADCBCP ADCLRP
ADCFMT[1:0]
022
0
ADCOSR
0
ADCRATE[2:0]
022
AINPD
0
0
0
ADCPD PWDN
000
ZCLA
ZCRA
LAG[7:0]
RAG[7:0]
0CF
0CF
LCSEL[1:0]
MAXGAIN[2:0]
0
LCT[3:0]
07B
000
LCEN
ALCZC
0
0
0
HLD[3:0]
ATK[3:0]
0
DCY[3:0]
032
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
0
0
1
0
1
0
1
1
0
0
0
0
0
NGTH[2:0]
0
NGAT
000
TRANWIN [2:0]
MAXATTEN [3:0]
AMX[3:0]
0A6
LRBOTH
MUTELA MUTERA
0
001
SOFTWARE RESET
not reset
PP Rev 1.8, June 2004
28
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
