XMOS XS1-L2, Руководство по оборудованию, Страница: 24 / 32

USB Audio 2.0 Reference Design, XS1-L2 Edition Hardware Manual (1.6) 24/32
JUN 29 2010
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1V2
XR-USB-AUDIO-2.0-MC
CODEC
1
1
SHEET NAME
PROJECT NAME
REV
DATE SIZE
OF
SHEET
A2
Copyright (c) 2009 XMOS Ltd.
MODE
100N C20
1U C13
+3V3
100N C1
+3V3
U4 NC7SZ125
3 4 5
1 2
A OE_N
VCC
Y
GND
+3V3
+4V1A
4U7 C50
+4V1A
INT
RST_N
10K
R18 +3V3
C21 100N
TPA152 U6
1 5
8 4
7
3 2
6
VDD
MUTE BYPASS
GND
IN2- IN1-
VO2 VO1
+3V3
NC7SZ125 U5
3 4 5
1 2
A OE_N
VCC
Y
GND
LRCK SCLK
ADC_SD1 ADC_SD2
CS42448
U3
9
8 7
64 63
62
61 60
6
59 58 57
56
55 54
53
52 51 50
5
49 48 47 46 45
44
43
42
41 40
4
39 38 37 36 35 34 33 32 31 30
3
29 28 27 26 25
24
23
22 21 20
2
19 18 17 16 15 14 13 12 11 10
1
AD0/CS_N MCLK ADC_SDOUT3 ADC_SDOUT2 ADC_SDOUT1 DAC_SDIN4 DAC_SDIN3 DAC_SDIN2 DAC_SDIN1 DAC_SCLK DAC_LRCK AD1/CDIN AUX_LRCK AUX_SCLK AUX_SDIN
DGND_23
VD_24
AOUT1N AOUT1P AOUT2P AOUT2N AOUT3N
RST_N
AOUT3P AOUT4P AOUT4N AOUT5N AOUT5P
MUTEC
AOUT6P AOUT6N AOUT7N AOUT7P
VLC
AOUT8P AOUT8N
AGND_42
VQ
VA_44
AIN1N AIN1P AIN2N AIN2P AIN3N ADC_LRCK AIN3P AIN4N AIN4P
VA_53
FILTP_DAC FILTP_ADC
AGND_56
AIN5N/AIN5B AIN5P/AIN5A AIN6N/AIN6B
VD_6
AIN6P/AIN6A INT
DGND_62
SCL/CCLK SDA/CDOUT
DGND_7 VLS
ADC_SCLK
470R
R50
2N2 C31
100N C22
SJ-3524-SMT J8
3 2
10
1
4K7 R47
4K7
R48
2N2 C32
4U7
C51
4U7
C52
100N C23
100U C62
C63 100U
C53 4U7
C24 100N
+3V3
R49 4K7
C54
4U7
100U
C64
C33 2N2
R51
470R
R17
1K
C55
4U7
J9 SJ-3524-SMT
3 2
10
1
C34 2N2
R52
470R
R19
10K
4U7
C56
2N2 C35
470R
R53
10K
R20 R21
10K
R54
470R
C36 2N2
C57
4U7
10K
R22
470R
R55
2N2 C37
SJ-3524-SMT J10
3 2
10
1
4U7
C58 C59
4U7
J11 SJ-3524-SMT
3 2
10
1
C38 2N2
R56
470R
R23
10K
4U7
C60
2N2 C39
470R
R57
10K
R24
SJ-3524-SMT
J12
3 2 10 1
C40 2N2
C41
4U7
R32 4K7
R33
4K7
C42 4U7
4U7 C43
C44 4U7
C45 4U7
C46
4U7
J6
SJ-3524-SMT
3 2 10 1
4K7
R34
4K7 R35
4U7
C47
2N2 C27 C28 2N2
R36 4K7
R37
4K7 4K7
R38
4K7 R39
2N2 C29 C30 2N2
C48
4U7
R40 4K7
R41
4K7
SJ-3524-SMT
J7
3 2 10 1
4U7
C49
4K7
R42
R43
4K7
C14 100N
100N C15
4U7 C107
2U2 C110
TPS73001 U21
5
2
4
1
6
3
EN
OUT
IN
NR
GND
FB
100N C16
100N C17
R44
4K7
C18 100N
+3V3
4K7
R45
+3V3
PREAMP
MIC_IN
INST_IN
4K7
R46
ADC_SD3
R29 33R
4U7 C25
20K
R10
R11
20K
20K R12 R13 20K
+3V3
R14 20K 20K R15
33R R31
1K
R16
C26 4U7
C61
100U
+4V1A
+4V1A
+4V1A
DAC_SD1 DAC_SD2 DAC_SD3 DAC_SD4
MCLK
I2C_SDA I2C_SCL
+4V1A
100N C109
100N C19
4K3
R27
100P C108
100N C2
10K
R26
+5V
500mA
FB1
470R
1R R1
AIN5B
AIN5B
AIN6B
AIN6B
LRCK
ADC_LRCK
ADC_LRCK
NC NC NC
NC
NC NC
NC NC NC NC NC NC NC NC
NC NC NC NC
SCLK
ADC_SCLK
ADC_SCLK DAC_SD4
I2C_SCL I2C_SDA
DAC_SD3 DAC_SD1 DAC_SD2
I2C Chip Address is 1001000X (X is R/nW bit)
HEADPHONE AMP
VREF = 1.225V VOUT = 1.225 * (1 + 10K/4K3) = 4.07V
4V1A LDO REGULATOR
ADC CLK BUFFERS
PREAMPS
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