WM8974GEFL/V Wolfson Microelectronics, WM8974GEFL/V Datasheet - Page 65

• Manufacturer Part Number: WM8974GEFL/V
• Description: Audio CODECs Mono Codec with Spkr
• Manufacturer: Wolfson Microelectronics

Specifications of WM8974GEFL/V

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-24
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
w
REGISTER MAP
0
1
2
3
4
5
6
7
8
10
11
14
15
18
19
20
21
22
24
25
27
28
29
30
32
33
34
35
36
37
38
39
40
44
45
47
49
50
54
DEC HEX
B[15:9]
ADDR
00
01
02
03
04
05
06
07
08
0A
0B
0E
0F
12
13
14
15
16
18
19
1B
1C
1D
1E
20
21
22
23
24
25
26
27
28
2C
2D
2F
31
32
36
Software Reset
Power manage’t
1
Power manage’t
2
Power manage’t
3
Audio Interface
Companding ctrl
Clock Gen ctrl
Additional ctrl
GPIO
DAC Control
DAC digital Vol
ADC Control
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
Attenuation ctrl
Input ctrl
INP PGA gain ctrl
ADC Boost ctrl
Output ctrl
SPK mixer ctrl
SPK volume ctrl
REGISTER
NAME
PGABOOST
BUFDCOP
ALCMODE
EQMODE
MBVSEL
CLKSEL
ALCSEL
EQ2BW
EQ3BW
EQ4BW
HPFEN
ALCZC
LIMEN
BCP
NFU
NFU
NFU
NFU
EN
B8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
INPPGAZC
MONOEN
FRAMEP
HPFAPP
SPKZC
NFEN
B7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SPKMUTE
MCLKDIV
SPKNEN
DACMU
INPPGA
AUXEN
MUTE
B6
0
0
0
0
0
0
0
0
0
0
0
0
ALCDCY
ALCHLD
LIMDCY
EQ1C
EQ2C
EQ3C
EQ4C
EQ5C
MICP2BOOSTVOL
WL
AUX2SPK
HPFCUT
SPKPEN
LIMLVL
PLLEN
B5
0
0
0
0
0
0
0
0
OPCLKDIV
DEEMPH
Software reset
PLLK[17:9]
PLLK[8:0]
BOOSTEN
ALCMAX
MICBEN
PLLPRE
SCALE
B4
0
0
0
0
0
0
0
DAC_COMP
DACVOL
ADCVOL
FMT
AUXMODE
NFA0[13:7]
NFA1[13:7]
GPIOPOL
DACOSR
ADCOSR
NFA0[6:0]
NFA1[6:0]
BCLKDIV
BIASEN
BOOST
MONO
MIXEN
MONO
NGEN
128
128
B3
0
0
0
0
INPPGAVOL
PLLK[23:18]
SPKVOL
INPPGAEN
DACLRSW
MONOATT
BUFIOEN
INPPGA
AMUTE
BOOST
MIXEN
EQ1G
EQ2G
EQ3G
EQ4G
EQ5G
AUX2
SPK
SPK
AP
SR
B2
N
0
0
ADC_COMP
LIMBOOST
PLLN[3:0]
ALCATK
ALCLVL
LIMATK
AUX2BOOSTVOL
PD, Rev 4.5, September 2008
ADCLRSW
SPKATTN
BYP2SPK DAC2SPK
GPIOSEL
ALCMIN
INPPGA
TSDEN
MICN2
NGTH
AP
B1
0
0
0
0
0
VMIDSEL
SLOWCLKE
LOOPBACK 000
DACPOL
ADCPOL
INPPGA
ADCEN
DACEN
MICP2
VROI
MS
B0
N
WM8974
0
0
000
000
000
050
140
000
000
000
0FF
100
0FF
12C
02C
02C
02C
02C
032
000
000
000
000
000
038
00B
032
000
008
00C
093
0E9
000
003
010
000
002
000
039
DEF’T
(HEX)
VAL
65