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Board Description
4-16
AT91SAM9M10-G45-EK User Guide
6495B–ATARM–21-Apr-10
Figure 4-12.
Audio Stereo Interface
For more information about the AC97 codec device, refer to the Wolfson WM9711L controller manufac-
turer's datasheet.
AGND_AC97
AGND_AC97
AGND_AC97
AGND_AC97
AGND_AC97
AGND_AC97
AGND_AC97
3
V
3
AVDD_AC97
AVDD_AC97
3
V
3
AVDD_AC97
AGND_AC97
AGND_AC97
3
V
3
AGND_AC97
NR
S
T
PD6
PD9
PD
8
PD7
PE
3
1
LINE-IN
MONO /
S
TEREO
MICROPHONE INPUT
HEADPHONE
LINE-OUT
8
Ohm
S
PEAKER
OUTPUT
(AC97TX)
(AC97CK)
(AC97RX)
(AC97F
S
)
(EXT_CLK)
JP17/JP18 are used
as testpoints
C147
1
u
C147
1
u
C154
10
u
10V
C154
10
u
10V
JP14
DNP
JP14
DNP
1
2
R72
47k
R72
47k
L11
10
u
H
L11
10
u
H
C141
100n
C141
100n
JP1
8
DNP
JP1
8
DNP
1
2
C129
470p
C129
470p
C144
10
u
10V
C144
10
u
10V
R76
0R
R76
0R
R
83
6
8
0R
R
83
6
8
0R
L12
220ohm
a
t 100MHz
L12
220ohm
a
t 100MHz
1
2
R7
3
10k
R7
3
10k
Y
3
24.576MHz
Y
3
24.576MHz
1
3
2
4
C1
3
1
100n
C1
3
1
100n
C1
3
4
10
u
10V
C1
3
4
10
u
10V
C140
10
u
10V
C140
10
u
10V
J7
S
TEREO_
3
.5mm
J7
S
TEREO_
3
.5mm
1
3
4
2
5
C1
3
7
22p
C1
3
7
22p
C1
3
6
100n
C1
3
6
100n
R69
0R
R69
0R
JP15
DNP
JP15
DNP
1
2
R
8
1
8
.2K
R
8
1
8
.2K
+
C127
100
u
/6.
3
V
+
C127
100
u
/6.
3
V
C145
100n
C145
100n
J
8
S
TEREO_
3
.5mm
J
8
S
TEREO_
3
.5mm
1
3
4
2
5
R79
8
.2K
R79
8
.2K
L7
220ohm
a
t 100MHz
L7
220ohm
a
t 100MHz
1
2
JP17
DNP
JP17
DNP
1
2
R75
0R
DNP
R75
0R
DNP
+
C126
100
u
/6.
3
V
+
C126
100
u
/6.
3
V
L9
220ohm
a
t 100MHz
L9
220ohm
a
t 100MHz
1
2
C1
38
100n
C1
38
100n
C14
8
470p
C14
8
470p
R
8
4
6
8
0R
R
8
4
6
8
0R
C155
470p
C155
470p
J9
S
TEREO_
3
.5mm
J9
S
TEREO_
3
.5mm
1
3
4
2
5
C150
1
u
C150
1
u
C15
3
100n
C15
3
100n
MN14
WM9711L
MN14
WM9711L
OUT
3
3
7
HP_OUT_L
3
9
HP_OUT_R
41
LOUT2
3
5
ROUT2
3
6
S
DATAIN
8
GPIO5/
S
PDIF
4
8
XTLOUT
3
COMP1
29
COMP2
3
0
COMP
3
3
1
CAP2
3
2
VREF
27
MICBIA
S
2
8
GPIO4
47
CREF
12
AGND2
42
AVDD1
25
S
PKVDD
38
HPVDD
4
3
S
PKGND
3
4
DBVDD
1
DCVDD
9
NC1
14
NC2
15
PHONE
20
PCBEEP
19
AGND1
1
8
LINE_IN_L
2
3
LINE_IN_R
24
MIC1
21
MIC2
22
AVDD2
1
3
GPIO2/IRQ
45
GPIO
3
46
S
DATAOUT
5
RE
S
ET
11
S
YNC
10
XTLIN
2
BITCLK
6
NC4
17
NC
3
16
AGND
26
HP_GND
40
GPIO1
44
MONOOUT
33
DGND1
4
DGND2
7
THERMAL
49
R71
47k
R71
47k
C146
1
u
C146
1
u
C1
3
5
100n
C1
3
5
100n
C1
3
2
10
u
10V
C1
3
2
10
u
10V
C14
3
100n
C14
3
100n
L10
220ohm
a
t 100MHz
L10
220ohm
a
t 100MHz
1
2
C142
10
u
10V
C142
10
u
10V
C12
8
470p
C12
8
470p
R77
0R
R77
0R
C1
3
0
100n
C1
3
0
100n
R
8
2
8
.2K
R
8
2
8
.2K
R70
0R
R70
0R
R7
8
49.9R
R7
8
49.9R
C1
3
9
100n
C1
3
9
100n
R
8
5
0R
R
8
5
0R
L6
220ohm
a
t 100MHz
L6
220ohm
a
t 100MHz
1
2
R74
100k
R74
100k
C1
33
22p
C1
33
22p
L
8
220ohm
a
t 100MHz
L
8
220ohm
a
t 100MHz
1
2
C151
1
u
C151
1
u
C152
10
u
10V
C152
10
u
10V
C156
470p
C156
470p
R
8
0
8
.2K
R
8
0
8
.2K
C149
470p
C149
470p