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WM8976 Datasheet(PDF) 72 Page - Wolfson Microelectronics plc

Part # WM8976
Description  Low Power CODEC With Speaker Driver
PDF  83 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8976 Datasheet(HTML) 72 Page - Wolfson Microelectronics plc

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WM8976
Preliminary Technical Data
w
PTD Rev 2.0 February 2005
72
REGISTER MAP
ADDR
B[15:9]
DEF’T
VAL
DEC HEX
REGISTER
NAME
B8
B7
B6
B5
B4
B3
B2
B1
B0
(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
0
BOOSTENL
0
NPPGAENL
0
ADCENL
000
3
03
Power manage’t 3
OUT4EN
OUT3EN
SPKNEN
SPKPEN
0
RMIXEN
LMIXEN
DACENR
DACENL
000
4
04
Audio Interface
BCP
LRCP
WL
FMT
DLRSWAP ALRSWAP
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
LOWCLKEN
000
8
08
GPIO Stuff
0
0
0
OPCLKDIV
GPIO1POL
GPIO1SEL[2:0]
000
9
09
Jack detect control
JD_VMID1
JD_VMID0
JD_EN
JD_SEL
0
000
000
10
0A
DAC Control
0
0
SOFT
MUTE
0
0
DACOSR
128
AMUTE
DACRPOL DACLPOL
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
0
ADCLPOL
100
15
0F
ADC Digital Vol
ADCVU
ADCVOL
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
ALCMAX
ALCMIN
038
33
21
ALC control 2
ALCZC
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
PLL_PRE
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
DEPTH3D
000
43
2B
Beep control
INVROUT2
BEEPVOL
BEEPEN
000
44
2C
Input ctrl
MICBVSEL
0
0
0
L2_2
INPPGA
LIN2
INPPGA
LIP2
INPPGA
003
45
2D
INP PGA gain ctrl
INPGA
UPDATE
INPPGAZC
INPPGA
MUTE
INPPGAVOL
010
47
2F
ADC Boost ctrl
PGABOOST
0
L2_2BOOSTVOL
0
AUXL2BOOSTVOL
100
49
31
Output ctrl
DACL2
RMIX
DACR2
LMIX
OUT4
BOOST
OUT3
BOOST
SPKR
BOOST
TSDEN
VROI
002
50
32
Left mixer ctrl
AUXLMIXVOL
AUXL2LMIX
BYPLMIXVOL
BYPL2LMIX ACL2LMIX
001



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