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DNI
Pg. 8
DNI
Audio CODEC
Audio Amp
Copyright 2002 Intel Corporation
DNI
2.07
PXA250 Processor Reference Design
B
8 16Tuesday, February 05, 2002
Size Rev
Date: Sheet
of
AMP5V
AMP5V
XTAL_OUTXTAL_IN
XTAL_OUT
XTAL_IN
SPKR_OFF{6}
R_OUT {9}
AUDIO3P3V{9}
XFILT {9}
SA_nAC97_RESET{2}
VBATT {3,10,11,12,13,14}
TSPX{14}
YFILT {9}
SA_SYNC{2}
SYSCLK{13,15}
AUDIO_PWR_ON{6}
SA_SDATA_IN{2}
AUDIO3P3V{9}
MICIN{9}
L_OUT_A{9}
TSPY{14}
TSMX{14}
SA_BITCLK{2}
MICGND{9,11}
SA_SDATA_OUT{2}
TSMY{14}
LINE_OUT_R{11}
LINE_OUT_L{11}
CF_AUD{10}
AUDIO3P3V{9}
RADIO_SPKRP{11}
AC97_GPIO_0{11}
AC97_GPIO_1{11}
AC97_GPIO_2{11}
AC97_GPIO_4{11}
AC97_GPIO_3{11}
AC97_IRQ {3}
DC5P5V
DC_CORE
0.01UF
C55
C45
0.1UF
R94
0
MIC5207-4.0BM5
4.0V LDO REG
180ma
LE40
U18
3 4
5
2
1
EN BYP
VOUT
GND
VIN
R93
0
1
R101
C58
0.1UF
1
R104
MIC5207-3.3BM5
3.3V LDO REG
180ma
LE33
U17
3 4
5
2
1
EN BYP
VOUT
GND
VIN
C42
0.1UF
R74
0
+
C71
4.7UF
12
+
C68
4.7UF
12
+
C46
100UF
R96
0
+
C50
100UF
C57
0.1UF
100K
R82
R75
0
10
R99
C73
270PF
0.01UF
C59
C62
0.1UF
J2
12
1
R100
C66
0.1UF
UCB1400
Modem / Audio
U15
35
36
7
1
27
29
37
39
41
43
44
45
40
46
47
48
22
21
24
23
16
5
3
2
15
11
13
14
20
28
12
30
18
17
19
10
4
6
8
9
25
32 26
33
42
31
38
34
LINE_OUT_L
LINE_OUT_R
DVSS2
DVDD1
VREF
IRQOUT
GPIO_0
GPIO_1
GPIO_3
GPIO_4
GPIO_5
GPIO_6
GPIO_2
GPIO_7
GPIO_8
GPIO_9
MICGND
MICP
LINE_IN_R
LINE_IN_L
AD_0
SDATA_OUT
XTL_OUT
XTL_IN
AD_1
RESET
AD_3
AD_2
TSPY
VADCP
ADCSYNC
TEST
TSMX
TSPX
TSMY
SYNC
DVSS1
BIT_CLK
SDATA_IN
DVDD2
AVDD1
AVDD2 AVSS1
AVSS2
AVSS3
VADCN
AVDD3
VREFDRV
0.01UF
C56
R77
0
LM4881
Dual Audio Pwr
Amp w/shutdwn
U16
LM4881MM
3
1
4
8 7
6
2
5
SHDN
BYPASS
IN_B
IN_A OUT_A
VDD
GND
OUT_B
0.01UF
C53
R73
47.5
+
C75
4.7UF
12
+
C69
4.7UF
12
10K
R14
100K
R84
R78
0
+
1UF
C51
+
C141
4.7UF
12
+
10UF
C41
C67
0.1UF
R80
0
C63
270PF
C44
22pF
12
20K
R79
J1
12
20K
R76
100K
R86
+
C61
4.7UF
12
R83
0
R102
0
R282
0
R103
0
0.01UF
C54
R72
0
C52
0.1UF
C70
0.1UF
C74
0.1UF
1
R89
100K
R124
C72
0.1UF
100K
R87
R88
0
R71
47.5
1
R92
R90
0
0.01UF
C64
+
C131
4.7UF
1 2
C47
0.1UF
20K
R81
24.576MHZ
Y3
12
20K
R85
C43
33PF
R91
0