WM8978 Wolfson Microelectronics Ltd., WM8978 Datasheet - Page 80

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WM8978

Manufacturer Part Number
WM8978
Description
The WM8978 is a low power, high quality stereo codec designed for portable applications such as Digital still camera or Digital Camcorde
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet

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DEC HEX
13 0D
WM8978
0
1
2
3
4
5
6
7
8
9
10
11
12
14
15
16
18
19
20
21
22
24
25
27
28
29
30
32
33
34
35
36
37
38
39
41
43
44
45
w
B[15:9]
ADDR
REGISTER MAP
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0E
0F
10
12
13
14
15
16
18
19
1B
1C
1D
1E
20
21
22
23
24
25
26
27
29
2B
2C
2D
ack Detect Control
Software Reset
Power manage’t 1
Power manage’t 2
Power manage’t 3
Audio Interface
Companding ctrl
Clock Gen ctrl
Additional ctrl
GPIO Stuff
Jack detect control
DAC Control
Left DAC digital Vol
Right DAC dig’l Vol
ADC Control
Left ADC Digital Vol
Right ADC Digital
Vol
EQ1 – low shelf
EQ2 – peak 1
EQ3 – peak 2
EQ4 – peak 3
EQ5 – high shelf
DAC Limiter 1
DAC Limiter 2
Notch Filter 1
Notch Filter 2
Notch Filter 3
Notch Filter 4
ALC control 1
ALC control 2
ALC control 3
Noise Gate
PLL N
PLL K 1
PLL K 2
PLL K 3
3D control
Beep control
Input ctrl
Left INP PGA gain
ctrl
REGISTER
NAME
EQ3DMODE
BUFDCOP
ROUT1EN
ALCMODE
OUT4EN
MBVSEL
UPDATE
CLKSEL
INPPGA
EQ2BW
EQ3BW
EQ4BW
DACVU
DACVU
HPFEN
ADCVU
ADCVU
LIMEN
BCP
NFU
NFU
NFU
NFU
B8
EN
0
0
0
0
0
0
0
0
0
0
0
0
JD_VMID
ALCSEL
NPPGAZCL INPPGA
LOUT1EN
OUT4MIX
OUT3EN
HPFAPP
NFEN
LRP
B7
EN
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
INPPGA
LOUT2EN ROUT2EN
MCLKDIV
OUT3MIX
MUTEL
R2_2
SLEEP
JD_EN
SOFT
MUTE
0
0
0
0
0
B6
EN
0
0
0
0
ALCDCY
ALCHLD
JD_EN1
LIMDCY
EQ1C
EQ2C
EQ3C
EQ4C
EQ5C
WL
PGA2INV
INPPGA
HPFCUT
MUTER
BOOST
LIMLVL
PLLEN
RIN2
ENR
WL8
B5
0
0
0
0
0
OPCLKDIV
JD_SEL
Software reset
ALCMAXGAIN
PLLK[17:9]
PLLK[8:0]
INVROUT2
MICBEN
PLLPRE
BOOST
INPPGA
SCALE
RIP2
ENL
B4
0
0
0
0
0
DAC_COMP
DACVOLR
ADCVOLR
DACVOLL
ADCVOLL
FMT
GPIO1POL
NFA0[13:7]
NFA1[13:7]
NFA0[6:0]
NFA1[6:0]
BCLKDIV
DACOSR
ADCOSR
INPPGA
RMIXEN
BIASEN
NGEN
ENR
128
128
B3
INPPGAVOLL
0
PLLK[23:18]
0
BEEPVOL
BUFIOEN
LRSWAP
INPPGA
LMIXEN
INPPGA
AMUTE
EQ1G
EQ2G
EQ3G
EQ4G
EQ5G
L2_2
DAC
ENL
B2
SR
0
0
ADC_COMP
LIMBOOST
DEPTH3D
PLLN[3:0]
ALCATK
JD_EN0
ALCLVL
LIMATK
GPIO1SEL[2:0]
PTD Rev 2.6 November 2005
ALCMINGAIN
DACPOLR DACPOLL
ADCRPOL ADCLPOL
ADCENR
LRSWAP
DACENR
INPPGA
Preliminary Technical Data
NGTH
ADC
LIN2
B1
0
0
VMIDSEL
LOOPBACK
LOWCLKEN
ADCENL
DACENL
BEEPEN
INPPGA
MONO
LIP2
B0
MS
0
DEF’T
(HEX)
VAL
000
12C
02C
02C
02C
02C
00C
0FF
0FF
0FF
0FF
00B
0E9
000
000
000
050
000
140
000
000
000
000
100
032
000
000
000
000
000
038
032
000
008
093
000
000
033
010
80