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Pg. 9
DNI
DNI
Headset Jack
Microphone
Stereo Headphone Jack
IrDA Transceiver
Mini USB Jack
Dual Axis Acelerometer
Speaker
Copyright 2002 Intel Corporation
2.07
PXA250 Processor Reference Design
B
9 16Tuesday, February 05, 2002
Size Rev
Date: Sheet
of
MIC_PWR
L_OUT_B
USB_5V
USB_5V
L_OUT_B
AUDIO3P3V{8}
MICGND {8,11}
MICIN {8}
IRDA_MD0 {6}
SA_UDCP{2}
IRDA_FSEL{6}
IR_TXD {2}
IRDA_MD1 {6}
L_OUT_A {8}
R_OUT {8}
IR_RXD {2}
RADIO_MICP{11}
SA_UDCN{2}
USB_WAKE{3,15}
YFILT {8}
XFILT {8}
AUDIO3P3V{8}
DC3P3V
DC3P3V
DC3P3V DC3P3V
DC3P3V
10
R107
10
R108
+
C79
4.7UF
1 2
10
R109
100K
R123
10
R111
2.5mm
JACK
HEADSET
J4
1
3
4
5
2
GND
RING
SHA
SHB
TIP
J6
12
HDSL-3600 # 007
U19
3
1
2
11
4
5
6
7
8
9
10
FIR_SEL
VCC
AGND
GND
MD_0
MD_1
NC
GND
RXD
TXD
LEDA
+
1uF
C3
STEREO
3.5mm
JACK
J3
1 3
4
2
R115
0
MAX6348
U21
MAX6348XR40-T
2
3
1
RESET
VIN
GND
R113
475K
+
1uF
C4
C78
0.1UF
C76
0.1UF
C80
0.1UF
R117
237K
1 2
R121
1K
10
R105
0.01UF
C81
0.01UF
C82
ADXL202E
Dual Axis
Accelerometer
LCC8
U20
3
1
4
8 7
6
2 5
COM
ST
YOUT
VDD XCAP
YCAP
T2 XOUT
100K
R119
R116
475K
C84
0.1UF
R106
1.5K
1
1
2
3
4
5
12-54819-78
J7
10K
R118
R110
0
R114
1.5K
J5
12
100K
R120
R149
0
R112
0
C77
0.1UF