Wolfson WM8978, Manual, Page: 89 / 119

Production Data
WM8978
w
PD, Rev 4.5, October 2011
89
REGISTER MAP
ADDR
B[15:9]
REGISTER
NAME
B8 B7 B6 B5 B4 B3 B2 B1 B0 DEF’T
VAL
DEC HEX (HEX)
0 00 Software Reset Software reset
1 01 Power manage’t 1 BUFDCOP
EN
OUT4MIX
EN
OUT3MIX
EN
PLLEN MICBEN BIASEN BUFIOEN VMIDSEL 000
2 02 Power manage’t 2 ROUT1EN LOUT1EN SLEEP BOOST
ENR
BOOST
ENL
INPPGA
ENR
INPPGA
ENL
ADCENR ADCENL 000
3 03 Power manage’t 3 OUT4EN OUT3EN LOUT2EN ROUT2EN 0 RMIXEN LMIXEN DACENR DACENL 000
4 04 Audio Interface BCP LRP WL FMT DAC
LRSWAP
ADC
LRSWAP
MONO 050
5 05 Companding ctrl 0 0 0 WL8 DAC_COMP ADC_COMP LOOPBACK 000
6 06 Clock Gen ctrl CLKSEL MCLKDIV BCLKDIV 0 MS 140
7 07
Additional ctrl 0 0 0 0 0 SR SLOWCLKE
N
000
8 08
GPIO 0 0 0 OPCLKDIV GPIO1POL GPIO1SEL[2:0]
000
9 09 Jack detect control JD_VMID JD_EN JD_SEL 0 0 0 0 000
10 0A DAC Control 0 0 SOFT
MUTE
0 0 DACOSR
128
AMUTE DACPOLR DACPOLL 000
11 0B Left DAC digital Vol DACVU DACVOLL 0FF
12 0C Right DAC dig’l Vol DACVU DACVOLR 0FF
13 0D
Jack Detect Control JD_EN1 JD_EN0
000
14 0E ADC Control HPFEN HPFAPP HPFCUT ADCOSR
128
0 ADCRPOL ADCLPOL 100
15 0F
Left ADC Digital Vol ADCVU ADCVOLL
0FF
16 10 Right ADC Digital
Vol ADCVU ADCVOLR 0FF
18 12 EQ1 – low shelf EQ3DMODE 0 EQ1C EQ1G 12C
19 13 EQ2 – peak 1 EQ2BW 0 EQ2C EQ2G 02C
20 14
EQ3 – peak 2 EQ3BW 0 EQ3C EQ3G
02C
21 15 EQ4 – peak 3 EQ4BW 0 EQ4C EQ4G 02C
22 16 EQ5 – high shelf 0 0 EQ5C EQ5G 02C
24 18
DAC Limiter 1 LIMEN LIMDCY LIMATK
032
25 19
DAC Limiter 2 0 0 LIMLVL LIMBOOST
000
27 1B Notch Filter 1 NFU NFEN NFA0[13:7] 000
28 1C Notch Filter 2 NFU 0 NFA0[6:0] 000
29 1D
Notch Filter 3 NFU 0 NFA1[13:7]
000
30 1E Notch Filter 4 NFU 0 NFA1[6:0] 000
32 20 ALC control 1 ALCSEL 0 ALCMAXGAIN ALCMINGAIN 038
33 21
ALC control 2 0 ALCHLD ALCLVL
00B
34 22 ALC control 3 ALCMODE ALCDCY ALCATK 032
35 23 Noise Gate 0 0 0 0 0 NGEN NGTH 000
36 24 PLL N 0 0 0 0 PLLPRE
SCALE
PLLN[3:0] 008
37 25 PLL K 1 0 0 0 PLLK[23:18] 00C
38 26
PLL K 2 PLLK[17:9]
093
39 27 PLL K 3 PLLK[8:0] 0E9
41 29 3D control 0 0 0 0 0 DEPTH3D 000
43 2B
Beep control 0 0 0 MUTER
PGA2INV
INVROUT2 BEEPVOL BEEPEN
000
44 2C Input ctrl MBVSEL 0 R2_2
INPPGA
RIN2
INPPGA
RIP2
INPPGA
0 L2_2
INPPGA
LIN2
INPPGA
LIP2
INPPGA
033