Atmel AT91SAM9M10-G45-EK User Manual page 25

Board Description
Figure 4-12. Audio Stereo Interface
PE31
PD7
PD9
PD6
PD8
NRST
For more information about the AC97 codec device, refer to the Wolfson WM9711L controller manufac-
turer's datasheet.
4-16
6495B–ATARM–21-Apr-10
JP17/JP18 are used
as testpoints
3V3
R74 R74
DNP DNP
3V3
(EXT_CLK) R75 R75 0R 0R
AGND_AC97
C133 22p C133 22p
Y3 Y3
C134 C134 C135 C135 C136 C136
2 4
10u 10u 100n 100n
C137 22p C137 22p 24.576MHz 24.576MHz 10V 10V 100n 100n
1
2
3
4
(AC97TX)
5
(AC97CK) R78 R78 49.9R 49.9R
6
7
(AC97RX)
8
9
(AC97FS)
10
11
12
AVDD_AC97
C145 C145
100n 100n
AGND_AC97
3V3 AVDD_AC97
L11 L11
10uH 10uH
C152 C152 C153 C153
10u 10u 100n 100n
10V 10V
R85 R85 0R 0R
R69 R69 0R 0R
R70 R70 0R 0R
AVDD_AC97
R73 R73 10k 10k
JP17 JP17 DNP DNP
2 1
C130 C130 C131 C131 C132 C132
JP18 JP18 DNP DNP
10u 10u
2 1
100n 100n 100n 100n 10V 10V
100k 100k
JP14 JP14
AGND_AC97
1
DNP DNP
MN14 MN14
36
DBVDD ROUT2
35
XTLIN LOUT2
34
XTLOUT SPKGND
33
DGND1 MONOOUT
32
SDATAOUT CAP2
WM9711L WM9711L
31
BITCLK COMP3
30
DGND2 COMP2
29
SDATAIN COMP1
28
DCVDD MICBIAS
27
SYNC VREF
26
RESET AGND
25
CREF AVDD1
C138 C138
100n 100n
C146 C146
AGND_AC97 1u 1u
C147 C147
1u 1u
R83 R83
680R 680R
C150 C150
1u 1u
C151 C151
1u 1u
C154 C154
10u 10u
10V 10V
AGND_AC97
L6 L6
220ohm at 100MHz 220ohm at 100MHz
C126 100u/6.3V C126 100u/6.3V
1 2
C127 100u/6.3V C127 100u/6.3V
1 2
L7 L7
220ohm at 100MHz 220ohm at 100MHz
R71 R71 R72 R72
47k 47k 47k 47k
AGND_AC97
2
AGND_AC97
R76 R76 0R 0R
JP15 JP15 8 Ohm SPEAKER
DNP DNP
OUTPUT
R77 R77 0R 0R
C140 C140 C142 C142 C144 C144
10u 10u 10u 10u 10u 10u
10V 10V 10V 10V 10V 10V
C139 C139 C141 C141 C143 C143
100n 100n 100n 100n 100n 100n
AGND_AC97
L8 L8
220ohm at 100MHz 220ohm at 100MHz
R79 R79 8.2K 8.2K
1 2
L9 L9
R80 R80 8.2K 8.2K
1 2
220ohm at 100MHz 220ohm at 100MHz
R81 R81 R82 R82
8.2K 8.2K 8.2K 8.2K
C148 C148
470p 470p
R84 R84
AGND_AC97
680R 680R
L10 L10
220ohm at 100MHz 220ohm at 100MHz
1 2
1 2
L12 L12
220ohm at 100MHz 220ohm at 100MHz
C155 C155
470p 470p
AT91SAM9M10-G45-EK User Guide
HEADPHONE
LINE-OUT
2 5
J7 J7
1
C128 C128 C129 C129
3 4
470p 470p 470p 470p
STEREO_3.5mm STEREO_3.5mm
LINE-IN
2 5
J8 J8
1
3 4
C149 C149
470p 470p
STEREO_3.5mm STEREO_3.5mm
MONO / STEREO
MICROPHONE INPUT
2 5
J9 J9
1
C156 C156
3 4
470p 470p
STEREO_3.5mm STEREO_3.5mm
AGND_AC97