CODEC
XS1_CORE1
+5V
+4V1A
DAC_SD4
ADC_SD3
DAC_SD4
ADC_SD3
FM1
DAC_SD4
ADC_SD3
TP11
DAC_SD4
ADC_SD3
TP20
TP1
DAC_SD3
ADC_SD2
DAC_SD3
ADC_SD2
DAC_SD3
ADC_SD2
TP12
DAC_SD3
ADC_SD2
TP21
DAC_SD2
ADC_SD1
DAC_SD2
ADC_SD1
DAC_SD2
ADC_SD1
TP13
DAC_SD2
ADC_SD1
TP22
TP2
DAC_SD1
DAC_SD1
DAC_SD1
TP14
DAC_SD1
PLL_LOCK
PLL_LOCK
TP29
CODEC_SCLK
CODEC_SCLK
SYNC_SEL
+3V3
+1V8
SCLK
TP15
CODEC_SCLK
SYNC_SEL
TP26
CODEC_LRCK
CODEC_LRCK
SYNC_OUT
LRCK
TP16
CODEC_LRCK
SYNC_OUT
TP25
WORD_CLK
FM2
WORD_CLK
CODEC_MCLK
XCORE_MCLK
MCLK
TP24
MCLK_IN
TP3
OPTICAL_TX
OPTICAL_TX
TP31
I2C_SCL
I2C_SCL
COAXIAL_TX
I2C_SCL
TP17
I2C_SCL
COAXIAL_TX
TP27
TP4
I2C_SDA
I2C_SDA
I2C_SDA
TP18
I2C_SDA
CODEC_MODE
CODEC_MODE
MODE
CODEC_MODE
TP28
CODEC_RSTN
CODEC_INT
CODEC_RSTN
CODEC_INT
+1V0
VBUS
RST_N
INT
TP19
CODEC_RSTN
CODEC_INT
TP23
FM3
TP5
TP9
DIGITAL_IO
CLOCKING
XS1_CORE0
XS1_SYSTEM
FM4
OSC_13M
TP6
DIGI_MCLK
WORD_CLK
MCLK
WORD_CLK
WORD_CLK
XL_UP1
XL_UP1
SYNC_OUT
SYNC_OUT
SYNC_OUT
XL_UP0
XL_UP0
OPTICAL_RX
XCORE_MCLK
PLL_WCLK
OPTICAL_RX
XCORE_MCLK
MCLK_IN
XL_DN0
XL_DN0
TP8
COAXIAL_RX
COAXIAL_RX
XL_DN1
XL_DN1
DIGI_MCLK
OPTICAL_RX
FM5
DIGI_MCLK
OPTICAL_RX
OPTICAL_TX
CODEC_MCLK
COAXIAL_RX
OSC_13M
OPTICAL_TX
CODEC_MCLK
COAXIAL_RX
OSC_13M
CLK_13M
COAXIAL_TX
OPTICAL_RX
COAXIAL_TX
TP10
I2C_SCL
I2C_SCL
I2C_SDA
COAXIAL_RX
I2C_SDA
TP30
SYNC_SEL
SYNC_SEL
PLL_LOCK
FM6
PLL_LOCK
PLL_WCLK
PLL_WCLK
SUB SHEETS & CODEC TPS
FIDUCIALS & TPS
+5V
100N
C5
1K
VBUS
POWER_ON_N
R2
+5V
VBUS
+5V
MBR120VLSFT
R3
1
NC
10K
1
G
D2
J1
SW1
2
POWER_ON_N
JP1
D8
D13
PJ-014D-SMT
FB2
MBR120VLSFT
PN12SHNA03QE
F1
1
GREEN
GREEN
S
D
1A
3
2
3
2
1B
0.75A
3
330R
D3
Q1
C4
C3
2
1700mA
NTR4101P
1K
1K
SMBJ5.0A
D1
MECH1
R91
R30
100N
100N
SWITCH_CAP
5V DC POWER INPUT, PROTECTION, FILTERING & SWITCH
POWER LEDS
MTH4
PTH_M3
+5V
TP7
TP38
TP45
TP50
TP55
MTH3
TP32
TP41
TP46
TP51
TP56
PTH_M3
TP33
TP42
TP47
TP52
TP57
Copyright (c) 2009 XMOS Ltd.
MTH2
PTH_M3
TP36
TP43
TP48
TP53
TP58
10K
R104
PROJECT NAME
MTH1
TP37
TP44
TP49
TP54
TP59
PTH_M3
XR-USB-AUDIO-2.0-MC
SIZE
SHEET NAME
REV
GROUND TEST POINTS
MOUNTING HOLES
BLEEDER R
A3
TOP_LEVEL
1V2
DATE
JUN 29 2010
SHEET
1
OF
1
=

---

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

---

+3V3
U8
USB3318
X0D14
16
3
+1V8
VBUS
X0D15
15DATA0
4
VBAT
X0D16
14DATA1
17
VDD33
+3V3
U9
X0D17
13DATA2
VDDIO
XS1_L2_124LGA
X0D18
11DATA3
21
1700mA
X0D19
10DATA4
VDD18
330R
C75
100N
DATA5
R68
A15
X0D0
X0D20
9
2
J15
X0D0A16
X0D1
X0D21
8DATA6
VBUS
X0D1
DATA7
1K
A5
NC
FB5
1
+3V3
X0D2A6
NC
X0D12
20
5
DM
2VBUS
U10
X0D3A7
X0D4
X0D13
18STP
6
DM
DP
3DM
R69
10K
AT25DF041A
X0D4A8
X0D5
X0D22
19NXT
DP
4DP
X0D5
DIR
GND
A9
X0D6
X0D11
5
8
X0D6A10
X0D7
X0D23
12
1
NC
5
SI
VCC
X0D7
CLKOUT
A11
NC
7
ID
NC
6S1
X0D10
6
X0D8
CPEN
S2
A12
SCK
NC
2
X0D0
X0D9A13
X0D10
24
23
3
SO
X0D10
RBIAS
REFCLK
OSC_13M
A14
X0D11
USB_B
7 WP_N
X0D11A55
X0D12
25
22
X0D36
X0D1
1 HOLD_N
4
X0D12
8K06
A57
X0D13
R67
GND
RESETB
CS_N
GND
X0D13A58
X0D14
X0D14A59
X0D15
10K
R70
4MBIT
X0D15
C74
A60
X0D16
DNP
R75
X0D16
IO_XCORE0
A61
X0D17
X0D17A63
X0D18
X0D18
10N
A64
X0D19
X0D19A65
X0D20
X0D20A66
X0D21
X0D21A56
X0D22
X0D22A62
X0D23
X0D23A54
X0D24
WORD_CLK
A67
X0D25
OPTICAL_RX
B38
NC
X0D26B39
NC
X0D27B40
NC
X0D28B41
NC
X0D29B44
NC
X0D30B45
NC
X0D31
USB PHY
SPI BOOT FLASH
B46
NC
X0D32B47
NC
X0D33A4
X0D34
COAXIAL_RX
A3
X0D35
MCLK_IN
B48
X0D36
X0D36B49
NC
X0D37B50
NC
X0D38B51
NC
X0D39B52
NC
X0D40B53
NC
X0D41B54
NC
X0D42B55
NC
X0D43
R71
+5V
U11
+1V8
+3V3
VBUS
X0D4
NCP699SN18
XL_UP1
33R
R102
X0D10
1
5
SYNC_OUT
VIN
VOUT
R72
X0D5
DNP
XL_UP0
C78
C80
C79
C76
C77
C73
33R
3
4
NC
EN
NC
R73
100N
2U2
100N
100N
100N
1U
X0D6
XL_DN0
GND
2
33R
R74
X0D7
XL_DN1
33R
XCORE
1V8 LDO & DECOUPLING
XSYS XMOS-LINK
Copyright (c) 2009 XMOS Ltd.
PROJECT NAME
XR-USB-AUDIO-2.0-MC
SIZE
SHEET NAME
REV
A3
XS1_XCORE0
1V2
DATE
JUN 29 2010
SHEET
1
OF
1
=

---

+5V
+1V0
+1V0
+3V3
+3V3
+1V0
+3V3
U15
U9
FAN2012
XS1_L2_124LGA
L2
U12
4
3
A2
B32
NC7SZU04
5PVIN
SW
A17VDDIO_A2
OTP_VDDIO
3U3
5
VIN
A36VDDIO_A17
B4
2
4
C92
C112
3V3_PG
6
A51VDDIO_A36
B5
PCU_VDDIO
C96
EN
B1VDDIO_A51
PCU_VDD
3
R77
1K8
2
B14VDDIO_B1
B3
NC
PGND
10U
10U
7
1
B29VDDIO_B14
B2
PCU_GATE
10U
NC
AGND
FB
B42VDDIO_B29
B6
PCU_WAKE
CLK_13M
VDDIO_B42
PCU_CLK
R82
2R2
A19
A38
A34VDD_A19
A37
PLL_AVDD
R76
A53VDD_A34
PLL_AGND
POWER
CLK_13M
R81
6K8
A68VDD_A53
A1
C81
CLK_13M
2M2
B15VDD_A68
A18
GND_A1
B28VDD_B15
A52
GND_A18
1U
B43VDD_B28
GND_A52
B56VDD_B43
PAD
R84
470R
VDD_B56
GND_PAD
X1
+3V3
13M
C99
C98
C83
ABLS2
33P
33P
100N
+3V3
U22
+5V
NCP303LSN30
U9
XS1_L2_124LGA
10K
2
1
3V3_PG
INPUT
RST_OUT
B33
R101
NC
5
B34MODE0
CD
TRST_N
B35MODE1
3
4
NC
B36MODE2
GND
NC
A35MODE3
MODE4
DEBUG
B37
RST_N
B8DEBUG
CLK_13M
B7RST_N
CONFIG
CLK
13MHz OSCILLATOR
TDO
B9
TDI
B12TDO
TMS
B11TDI
TCK
B10TMS
TRST_N
B13TCK
TRST_N
+5V
+3V3
U14
NCP1521B
+5V NC, So Cannot Be Powered By XTAG2
L1
1
5
J16
VIN
LX
2U2
NC
1
2
NC
+3V3
+1V0
+3V3
TRST_N
3
4
C95
C82
C97
TDI
5
6
XL_UP1
XL_UP1
3
4
TMS
7
8
EN
FB
R78
6K8
4U7
330P
10U
TCK
9
10
XL_UP0
10K
XL_UP0
GND
DEBUG
11
12
2
TDO
13
14
XL_DN0
C91
C90
C88
C89
C94
C86
C87
C84
C85
C93
R80
XL_DN0
RST_N
15
16
NC
17
18
XL_DN1
XL_DN1
100N
100N
100N
100N
4U7
100N
100N
100N
100N
4U7
NC
19
20
R83
1K5
HEADER_RA
POWER SUPPLIES
SYSTEM SERVICES & DECOUPLING
XSYS HEADER
+3V3
+3V3
+1V0
U13
NC7WZ07
47K
U23
5
NCP303LSN09
VCC
R79
Copyright (c) 2009 XMOS Ltd.
RST_N
6
1
1V0_PG
1
2
Y1
A1
RST_OUT
INPUT
PROJECT NAME
TRST_N
4
3
5
C111
10N
Y2
A2
CD
2
NC
4
3
XR-USB-AUDIO-2.0-MC
GND
NC
GND
SIZE
SHEET NAME
REV
1V0 RESET SUPERVISOR
A3
XS1_SYSTEM
1V2
DATE
JUN 29 2010
SHEET
1
OF
1
=

---

+3V3
U17
I2C CHIP ADDRESS = 1001110X
SYNC_SEL
6
5
+3V3
+3V3
SYNC_SEL
S
VCC
+3V3
SYNC_OUT
3
U16
U18
SYNC_OUT
I0
0
4
5
1
8
Q
CLK_IN
VD
VCC
R90
D15
PLL_WCLK
1
10
3
1
7
33R
GREEN
I1
1
I2C_SDA
SDA/CDIN
CLK_OUT
1A
1Y
9
DIGI_MCLK
I2C_SCL
SCL/CCLK
R89
2
8
4
3
5
33R
GND
AD0/CS_N
AUX_OUT
PLL_LOCK
2A
2Y
CODEC_MCLK
R88
6
6
2
33R
FILTP
3A
3Y
1K
NC7SZ157
7
2
XCORE_MCLK
R103
FILTN
GND
4
C103
GND
PLL_LOCK
CS2300-CP
NC7NZ34
100N
PLL, INPUT SELECTION, OUTPUT BUFFERING & LOCK LED
R28
+3V3
1K
1
C100
100N
BAV99
+3V3
Diode drop on supply to approx. 2V5 makes switching point more central
3
D4
U19
2
NC
Signal: 2.5V p-p
LP -3dB Point: 7.2MHz
C104
C102
C101
5
VCC
R86
J17
2
1
6
WORD_CLK
A1
Y1
WORD_CLK
100N
100N
100N
5-1634513-1
R87
33R
1K
3
4
PLL_WCLK
A2
Y2
1A
R25
33R
PLL_WCLK
C105
1B
2
GND
1C
R85
75R
1D
22P
NC7WZ17
EXTERNAL WORD CLOCK INPUT
DECOUPLING
Copyright (c) 2009 XMOS Ltd.
PROJECT NAME
XR-USB-AUDIO-2.0-MC
SIZE
SHEET NAME
REV
A3
CLOCKING
1V2
DATE
JUN 29 2010
SHEET
1
OF
1
=

---

J18
ZDA15S
+5V
NC
1
9
NC
NC
2
10
NC
NC
3
11
NC
4
12
MIDI_OUT
NC
5
13
NC
NC
6
14
NC
NC
7
15
+5V
U9
8
XS1_L2_124LGA
+5V
R105
U20
A39
ADC_SD2
16
17
74HCT125
X1D0A40
ADC_SD2
ADC_SD3
X1D1
10K
A41
ADC_SD3
SYNC_SEL
14
+3V3
X1D2A42
SYNC_SEL
CODEC_MODE
1
VCC
U2
X1D3
CODEC_MODE
NC
A43
NC
MIDI_OUT_X
21OE_N
3
X1D4A44
1A
1Y
PLL_LOCK
5
X1D5
PLL_LOCK
A45
VCC
WORD_CLK
4
X1D6A46
WORD_CLK
CODEC_INT
MIDI_IN
52OE_N
6
MIDI_IN_X
1
6
X1D39
X1D7
CODEC_INT
R99
DNP
2A
2Y
A1
Y1
TP35
A47
NC
X1D8A48
CODEC_RSTN
10
X1D38
3
4
MIDI_OUT_X
X1D9
CODEC_RSTN
3OE_N
TP34
A49
I2C_SDA
+3V3
+5V
A2
Y2
9
8
NC
X1D10A50
I2C_SDA
3A
3Y
I2C_SCL
2
X1D11A21
I2C_SCL
GND
CODEC_LRCK
13
X1D12
CODEC_LRCK
A23
DAC_SD2
124OE_N
11
NC
X1D13A24
DAC_SD2
4A
4Y
X1D14
NC7WZ17
X1D14
IO_XCORE1
C8
C106
A25
X1D15
7
+3V3
X1D15A26
GND
X1D16
X1D16A27
X1D17
X1D17
100N
100N
A29
X1D18
X1D18
R109
A30
X1D19
X1D38
X1D19A31
X1D20
X1D20
10K
A32
X1D21
X1D21A22
ADC_SD1
X1D22A28
ADC_SD1
DAC_SD3
X1D23A20
DAC_SD3
CODEC_SCLK
X1D24
CODEC_SCLK
A33
OPTICAL_TX
X1D25B16
OPTICAL_TX
SYNC_OUT
X1D26B17
SYNC_OUT
NC
X1D27B18
GPIO_0
X1D28B19
GPIO_1
X1D29B20
GPIO_2
X1D30
MIDI IO + TEST POINTS + SIGNAL PULLUPS
B21
GPIO_3
X1D31B22
NC
X1D32B23
NC
X1D33B24
COAXIAL_TX
X1D34B25
COAXIAL_TX
MCLK_IN
X1D35B26
MCLK_IN
DAC_SD1
X1D36B27
DAC_SD1
DAC_SD4
X1D37B30
DAC_SD4
X1D38
X1D38B31
X1D39
X1D39
X1D14
X1D15
X1D16
X1D17
X1D18
X1D19
X1D20
X1D21
+3V3
D14
D7
D6
D5
D12
D11
D10
D9
J19
GREEN
GREEN
GREEN
GREEN
GREEN
GREEN
GREEN
GREEN
1
2
X1D21
3
4
X1D20
I2C_SDA
5
6
X1D19
I2C_SCL
7
8
X1D18
GPIO_0
9
10
X1D17
GPIO_1
11
12
X1D16
1K
1K
R92
1K
R93
1K
R94
1K
R95
1K
R96
1K
1K
R100
R97
R98
GPIO_2
13
14
X1D15
GPIO_3
15
16
X1D14
HEADER_RA
XCORE
STATUS LEDS
EXPANSION HEADER
Copyright (c) 2009 XMOS Ltd.
PROJECT NAME
XR-USB-AUDIO-2.0-MC
SIZE
SHEET NAME
REV
A3
XS1_XCORE1
1V2
DATE
JUN 29 2010
SHEET
1
OF
1
=

---

+3V3
+3V3
+3V3
+3V3
+3V3
U24
FB4
6
5
C_N
VCC
C7
C113
470R
C10
C
100N
500mA
100N
3
4
OPTICAL_TX
D
D
Q
Q
100N
MCLK
1
2
MCLK
CP
GND
J5
NC7SZ175
2VCC
3IN
OPTICAL
1GND
+3V3
+3V3
TOTX147PL
U1
6
5
C_N
VCC
R9
T1
1
6
2
J2
COAXIAL
C
RCJ-014
232R
3
4
C9
COAXIAL_TX
D
D
Q
Q
100N
1A
C114
3
4
NC
1B
NC
1C
R8
DA102C
MCLK
1
2
107R
CP
GND
47P
C11
NC7SZ175
33P
DIGITAL OUT - OPTICAL & COAXIAL
+3V3
+3V3
FB3
C12
470R
C6
100N
500mA
100N
J4
3
VCC
R7
1
OUT
OPTICAL_RX
OPTICAL
0R
2
GND
TORX147PL
100N
C116
PESD0603-240
J3
2
COAXIAL
RCJ-014
+3V3
1A
91R
+3V3
R5
R107
1B
D16
NC
1C
NC
820R
3
1
470R
R4
5
COAXIAL_RX
4
R6
R106
33R
2
U25
C119
FIN1002
470R
Copyright (c) 2009 XMOS Ltd.
R108
470R
100N
100N
C117
PROJECT NAME
XR-USB-AUDIO-2.0-MC
SIZE
SHEET NAME
REV
DIGITAL IN - OPTICAL & COAXIAL
A3
DIGITAL_IO
1V2
DATE
JUN 29 2010
SHEET
1
OF
1
=

---

J14
KLBRSS39
NC
8
NC
7
NC
4U7
C70
3
NC
R61
R62
2
4
NC
100K
100K
5
NC
6
NC
GAIN IS -(100/100) = -1
1
+4V1A
+4V1A
+4V1A
U7
8
2
4U7
C71
V+
R66
R64
4K7
C65
1
INST_IN
470R
BIAS
3
V-
C67
100N
LMV722
4
C72
2N2
R63
4K7
4U7
INSTRUMENT PRE AMP
+4V1A
R59
2K2
J13
4U7
C69
SJ-3524-SMT
R58
R60
2
10
NC
20K
200K
3
1
GAIN IS -(200/20) = -10
U7
6
4U7
C68
R65
7
MIC_IN
470R
BIAS
5
C66
LMV722
2N2
MICROPHONE PRE AMP
Copyright (c) 2009 XMOS Ltd.
PROJECT NAME
XR-USB-AUDIO-2.0-MC
SIZE
SHEET NAME
REV
A3
PREAMP
1V2
DATE
JUN 29 2010
SHEET
1
OF
1
=

---

Document Outline

• TOP_LEVEL Sheet 1
  • CODEC Sheet 1