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Figure 27:
xcore.ai
Multichannel
Audio Board
schematic (5
of 8)
Figure 28:
xcore.ai
Multichannel
Audio Board
schematic (6
of 8)
24
3V3
3V3
3V3
C45
C151
100N
100N
3V3
FB7
GND
R106
GND
GND
10K
U32
1000R
3V3
0.25A
1
6
MIDI_TX
OE_N
VCC
FB9
R104
2
4
A
Y
10R
R121
1000R
5
3
NC
GND
10K
0.25A
SN74LVC1G125
GND
GND
GND
COAX SPDIF OUT
3V3
U29
3V3
6
5
MR_N
VCC
R109
MR
3
4
C154
100N
COAX_TX
D
D
Q
Q
220R
MCLK_DIG
1
2
CP
GND
74LVC1G175
GND
3V3
C157
100N
GND
3V3
U31
3V3
6
5
MR_N
VCC
R115
MR
3
4
OPT_TX
D
D
Q
Q
33R
MCLK_DIG
1
2
MCLK_DIG
CP
GND
74LVC1G175
GND
3V3
C158
100N
GND
U22
3V3
5
1
PLL_SYNC
CLK_IN
VD
I2C_SDA
10
3
R93
33R
I2C_SDA
SDA/CDIN
CLK_OUT
I2C_SCL
9
I2C_SCL
SCL/CCLK
8
4
AD0/CS_N
AUX_OUT
TP20
6
XTO
7
2
XTI/REF_CLK
GND
X3
GND
CS2100-CP
GND
445
C144
C145
24M
AD0 = 0 => I2C DEVICE ADDR = 7'b1001110 = 0x4E
27P
27P
GND
GND
U26
SI5351A-B-GT
3V3
I2C_SDA
5
7
SDA
VDDO
I2C_SCL
4
1
SCL
VDD
10
R99
33R
CLK0
9
CLK1
TP31
2
6
XA
CLK2
TP39
3
8
XB
GND
X4
1
3
GND
I2C DEVICE ADDR = 7'b1100000 = 0x60
XRCGB
25M
3V3
3V3
3V3
C147
C148
C163
GND
100N
100N
100N
GND
GND
GND
xcore.ai Multichannel Audio Board 1v1 Hardware Manual
MIDI OUT
MIDI IN
J31
SDS-50J
J32
SDS-50J
1
1
2
2
3
3
4
4
5
5
SH
SH
C152
R105
0R
100N
PROD20
PROD21
SCREW, M2X6
SCREW, M2X6
PROD22
PROD23
SCREW, M2X6
SCREW, M2X6
GND
GND
COAX SPDIF IN
J33
J34
RCJ-017
RCJ-017
1
1
R112
C156
75R
33P
GND
GND
GND
GND
GND
GND
OPTICAL OUT
OPTICAL IN
3V3
J35
J36
3V3
2
3
VCC
VCC
R116
3
1
VIN
VOUT
0R
1
2
GND
GND
DLR1160-B
DLT1160A-B
GND
GND
3V3
3V3
C159
C160
100N
100N
GND
GND
WORD CLK IN
J29
1
5-1634503-3
GND
1
R91
1K
2
R138
R92
5
10K
75R
J30
D9
68001-202HLF
MMSD914T1G
1
2
GND
GND
C174
GND
D13
MM3Z3V9B
10N
GND
GND
3V3
C143
MCLK_DIR
MCLK_DIR
100N
GND
U24
3V3
U25
3V3
6
5
EXT_PLL_SEL
S
VCC
6
5
S
VCC
3
I0
0
4
3
Q
I0
0
1
4
I1
1
Q
1
I1
1
2
GND
2
GND
74LVC1G157
GND
74LVC1G157
GND
3V3
C146
GND
100N
GND
EXT_PLL_SEL
MCLK_DIR
MCLK SOURCE
0
0
CS2100
1
0
SI5351A-B
X
1
XMOS MCLK
3V3
C149
C150
100N
3V3
100N
GND
U28
3V3
GND
FB8
R103
1
6
A
VCC
220R
1000R
3
4
NC
VO
0.25A
D10
MMSD914T1G
2
5
K
GND
FB10
H11L1M
1000R
GND
0.25A
R107
R108
68R
100K
C153
100N
U30
5
VCC
R110
R111
C155
10N
2
4
A
Y
COAX_RX
220R
100R
1
3
NC
GND
74LVC1GU04
GND
OPT_RX
xcore.ai Multi Channel Audio
Build
A
Date
17/08/2022
U21
3V3
3V3
6
OE_N
VCC
C140
R90
4
A
Y
WCLK_IN
33R
100N
3
NC
GND
SN74LVC1G125
GND
GND
3V3
3V3
C141
C142
100N
100N
GND
GND
U23
3V3
8
VCC
1
7
R94
33R
1A
1Y
MCLK_ADC
3
5
R95
33R
2A
2Y
MCLK_DAC
6
2
R96
33R
3A
3Y
MCLK_DIG
4
GND
R97
33R
NC7NZ34
GND
U27
3V3
MCLK_DIR
1
6
OE_N
VCC
2
4
R98
33R
A
Y
MCLK_XMOS
5
3
NC
GND
SN74LVC1G125
GND
xcore.ai Multi Channel Audio
Build
A
Date
17/08/2022
R102
470R
R120
MIDI_RX
0R
3V3
GND
Project Name
Sheet Name
Rev
DigitalIO.SchDoc
1V1
Sheet
5
of
8
Project Name
Sheet Name
Rev
Clocks.SchDoc
1V1
Sheet
6
of
8
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