User`s manual

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D D
C C
B B
A A
Document Number:
RevSheetDate:
of
4/23/2009 4 6
Drawing Title:
Page Title:
Size
LM3S9B96 Development Board
I2S Audio Expansion Board
B
A
DB-LM3S9B96
1
3
2
J11
STX-3000
BVDD
1
BCLK
3
DOUT
6
DIN
4
LRCIN
5
LRCOUT
7
CLKOUT
2
HPVDD
8
LHPOUT
9
RHPOUT
10
HPGND
11
LOUT
12
ROUT
13
AVDD
14
AGND
15
VMID
16
MICBIAS
17
MICIN
18
RLINEIN
19
LLINEIN
20
nCS
21
MODE
22
SDIN
23
SCLK
24
XTI/MCLK
25
XTO
26
DVDD
27
DGND
28
U8
TLV320AIC23BPW
C57
0.47UF
C58
0.47UF
R33
47K
R35
47K
R36
100
R37
100
Audio Line Output
1
3
2
J10
STX-3000
4V
+
C55
220UF
4V
+
C54
220UF
R32
47K
R34
47K
C56
0.1UF
C59
2.2UF
C60
2.2UF
C61
2.2UF
C50
0.1UF
1
3
2
J9
STX-3000
R31
4.7K
R28
10K
27PF
C47
C48
2.2UF
MICIN
R30
10K
MICBIAS
Audio Headphone Output
Microphone Input
MCLK
LRC
RXSD
BITCLK
TXSD
Analog +3.3V 50mA Power Supply
C52
0.1UF
Line Input
SDA
JP40
PB3/I2C0SDA
PB2/I2C0SCL
PE5/I2STXSD
PE4/I2STXWS
PD4/I2SRXSD
PD1/I2SRXWS
PF1/TXMCLK
SCL
JP41
TXSD
JP42
TXWS
JP43
RXSD
JP44
RXWS
JP45
PB6/BCLK
JP46
0.01UF
C51
C53
2.2UF
C49
2.2UF
VOUT
5
NR
1
ON
3
GND
2
VIN
4
U9
PQ1LA333MSPQ
+5V
R27
4.7K
R29
4.7K
+3.3V +3.3V
PD5/I2SRXMCLK
PB6/TXSCK/AVREF
PD0/BCLK
JP47
PD0/I2SRXSCK
1
3
2
J8
STX-3000
R54
4.7K
R55
4.7K
R56
4.7K
R57
4.7K
27PF
C76
27PF
C78
C77
0.47UF
C79
0.47UF
PD5/MCLK
JP49
PF1/MCLK
JP48
Indicates factory-default jumper position.
Rework 2: Loop TXWS to RXWS.
Schematic page 4