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DBG_USB_D_P
TP10
Figure 29:
xcore.ai
5V_DBG
Multichannel
C36
10U
Audio Board
GND
VFB = 0.6V
schematic (7
VO = 0.6 x (1 + 10/20) = 0.9V
DBG_MARGIN
DRIVE HIGH
PULL UP (40k)
HI-Z
PULL DN (40k)
of 8)
DRIVE LOW
Figure 30:
xcore.ai
Multichannel
Audio Board
schematic (8
of 8)
25
USB CONNECTOR
D2
J2
FB1
1
6
DBG_USB_D_N
S1
S1
F1
S2
1
DBG_VBUS
S2
VBUS
S3
2
DBG_USB_D_N
S3
DM
0.35A
S4
3
DBG_USB_D_P
S4
DP
C2
220R
2
5
DBG_VBUS
S5
4
GND
S5
ID
S6
5
2.2A
S6
GND
100N
3
4
10118193
GND
GND
GND
NUP4114
1V8_DBG
1V8_DBG
J5
1
TCK_L
C4
1
2
2
3
TMS_L
3
4
TDI_L
100N
4
5
5
6
TDO_L
6
GND
GND
DEBUG CONNECTOR
1V8_DBG
R16
10K
RST_N_L
3V3_DBG
TP9
C13
R26
47K
NF
C11
1U
18P
GND
GND
5V_DBG
GND
U6
1V8_DBG
5
1
IN
OUT1
TP11
2
OUT2
C14
6
7
EN1
PAD
C15
4
3
R28
EN2
GND
47K
1U
1U
TLV7163318P
GND
GND
GND
GND
0V9_DBG
U7
L1
TP12
3
4
VIN
SW
1U5
5
6
EN
PG
C37
C38
R29
10K
2
1
GND
FB
470P
10U
AP61102
R31
R30
GND
GND
150K
20K
TP13
DBG_MARGIN
TP14
VO
TP15
0.820V
GND
0.837V
0.900V
0.932V
GND
0.940V
PROD24
JUMPER SHUNT
USB_VBUS
J22
68001-203HLF
1
BUS POWERED
2
SELF POWERED
3
C101
POWER SOURCE
SELECT
1U
J23
GND
S1
GND
S1
S2
1
S2
VBUS
S3
2
S3
DM
S4
3
GND
S4
DP
C108
S5
4
S5
ID
S6
5
S6
GND
10N
10118193
GND
GND
GND
5V
5V
R140
R66
0R
20K
U16
L2
3
4
VIN
SW
1U5
5
6
C109
EN
PG
C110
C111
R67
68K
2
1
GND
FB
R137
4U7
100P
10U
220K
NF
AP61102
R70
GND
GND
VFB = 0.6V
15K
VO = 0.6 x (1 + 68/15) = 3.32V
GND
GND
J24
5V
68001-202HLF
NF
R68
R72
0R
10K
U17
5V
R73
3
VIN
SW
0R1
5
C114
C115
EN
PG
2
GND
FB
100N
4U7
AP61102
GND
GND
GND
VFB = 0.6V
VO = 0.6 x (1 + 10/20) = 0.9V
MARGIN
VO
DRIVE HIGH (1.8V)
0.850V
PULL UP (20k)
0.854V
HI-Z
0.900V
PULL DN (30k)
0.922V
DRIVE LOW
0.925V
CORE SUPPLY CAN OPTIONALLY BE CONTROLLED
TO A LOWER VOLTAGE TO REDUCE POWER
CONSUMPTION IN USB SUSPEND
xcore.ai Multichannel Audio Board 1v1 Hardware Manual
5V_DBG
C3
100N
GND
XS_XL_DN1
XS_XL_DN0
1V8_DBG
3V3_DBG
U3
XS_XL_UP0
XS_XL_UP1
30
6
USB_VDD33
X0D00
3
DBG_QSPI_CS_N
X0D01
31
USB_VDD18
59
DBG_QSPI_D0
X0D04
17
1
DBG_QSPI_D1
VDDIOB18
X0D05
26
60
DBG_QSPI_D2
VDDIOB18
X0D06
8
2
DBG_QSPI_D3
VDDIOL
X0D07
0V9_DBG
0V9_DBG
38
VDDIOR
52
5
DBG_QSPI_CLK
VDDIOT
X0D10
7
RST_N_OUT
X0D11
4
VDD
FB2
12
40
VDD
X0D29
TP1
1000R
19
54
VDD
X0D30
0.25A
27
55
VDD
X0D31
34
56
VDD
X0D32
42
58
VDD
X0D33
49
VDD
57
41
OE_N
C5
VDD
X0D35
61
43
XS_TDSRC
VDD
X0D36
62
44
XS_TDSNK
VDD
X0D37
63
45
XS_TCK
1U
VDD
X0D38
64
47
XS_TMS
VDD
X0D39
46
LED_A_RED
X0D40
22
50
LED_A_GRN
PLL_AVDD
X0D41
48
LED_B_RED
X0D42
GND
51
LED_B_GRN
X0D43
DBG_USB_D_P
29
9
XS_TMS
USB_DP
X1D00
DBG_USB_D_N
28
10
XS_TCK
USB_DM
X1D01
XS_TDSNK
11
XS_TDSRC
X1D09
TCK_L
24
13
DBG_MARGIN
TP3
TCK
X1D10
TMS_L
23
14
TP4
TMS
X1D11
TDI_L
18
TP6
TDI
TDO_L
20
32
TP7
TDO
X1D13
RST_N_L
21
33
XS_XL_UP1
TP8
RST_N
X1D16
35
XS_XL_UP0
X1D17
25
36
XS_XL_DN0
NC
X1D18
37
XS_XL_DN1
X1D19
16
XIN
15
39
XOUT
X1D22
R19
65
53
GND
X1D34
1M
R21
XRCGB
XU316-1024-QF60A-C24
680R
24M
GND
X1
1
3
C12
18P
GND
GND
0V9_DBG
1V8_DBG
3V3_DBG
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
100N
100N
100N
100N
100N
100N
100N
100N
100N
100N
100N
100N
100N
100N
100N
GND
GND
GND
F2
NF
1.1A
5V
U14
FB5
TP45
1
5
IN
OUT
3
EN_N
C102
C103
220R
2.2A
2
4
GND
FLAG_N
1U
100N
NCP360
GND
GND
OPTIONAL OVERVOLTAGE PROTECTION DEVICE
1V8
3V3X
U18
R139
1
5
VIN
VOUT
0R
3
C118
EN
C119
R77
220K
2
4
GND
NC
1U
1U
TCR2LF18
GND
GND
GND
GND
GND
0V9
L3
TP21
4
1U5
6
C116
C117
R74
1
10K
560P
22U
3V3
R75
R76
GND
240K
20K
C166
C167
100N
100N
MARGIN
GND
3V3 PLANE DECOUPLING FOR SIGNALS SWITCHING REF PLANES
GND
LED_A_RED
QSPI FLASH
LED_A_GRN
1V8_DBG
U1
1V8_DBG
1V8_DBG
DBG_QSPI_D0
5
8
SI/IO0
VCC
DBG_QSPI_D1
2
SO/IO1
DBG_QSPI_D2
3
WP_N/IO2
C1
DBG_QSPI_D3
7
HOLD_N/IO3
DBG_QSPI_CLK
6
9
LED_B_RED
SCK
PAD
100N
DBG_QSPI_CS_N
1
4
CS_N
GND
LED_B_GRN
W25Q80EW
8MBIT
GND
GND
1V8_DBG
U2
3V3X
1
16
VCCA
VCCB
3
14
R3A
1
8
36R
XL_DN1
A0
B0
XL_DN1
4
13
R3B
2
7
36R
XL_DN0
A1
B1
XL_DN0
5
12
R3C
3
6
36R
XL_UP0
A2
B2
XL_UP0
6
11
R3D
4
5
36R
XL_UP1
A3
B3
XL_UP1
2
T/R0
15
T/R1
10
T/R2
7
T/R3
17
PAD
OE_N
9
8
OE
GND
FXL4TD245
GND
GND
GND
T/nR = 1 => A TO B
GND
T/nR = 0 => B TO A
1V8_DBG
1V8_DBG
1V8
U4
1V8_DBG
1V8
1
16
VCCA
VCCB
3
14
R14A
1
8
36R
TMS
A0
B0
TMS
4
13
R14B
2
7
36R
TCK
A1
B1
TCK
5
12
R14C
3
6
36R
TDSNK
A2
B2
TDSNK
6
11
R14D
4
5
36R
TDSRC
A3
B3
TDSRC
2
T/R0
15
T/R1
10
T/R2
7
T/R3
17
PAD
OE_N
9
8
OE
GND
FXL4TD245
GND
GND
GND
1V8_DBG
U5
1V8_DBG
RST_N_OUT
1
6
OE_N
VCC
2
4
RST_N
A
Y
RST_N
5
3
NC
GND
GND
SN74LVC1G125
GND
1V8_DBG
3V3X
1V8
C16
C17
C18
C19
C20
100N
100N
100N
100N
100N
GND
GND
GND
MAIN BOARD SUPPLIES SWITCHED TO REDUCE
POWER CONSUMPTION IN USB SUSPEND
R65
NF
0R
3V3X
U34
1
6
IN
OUT
3
4
C112
EN
FAULT_N
5
2
ILIM
GND
1U
R71
AP22653
68K
GND
GND
RLIM = 68K => ILIM(MIN) = 311mA
GND
EN_BRD_PWR
R141
NF
0R
R64
100K
5V
U35
1
6
IN
OUT
3
4
C176
EN
FAULT_N
GND
5
2
ILIM
GND
1U
R143
AP22653
68K
GND
GND
RLIM = 68K => ILIM(MIN) = 311mA
TP22
GND
3V3
FB4
FERRITE BUILD OPTION FOR USING 3V3 DC-DC SUPPLY
NF
220R
2.2A
5V_SW
U15
FB6
R62
4
5
VIN
VOUT
0R5
1
C104
C105
CE
C106
220R
2.2A
2
3
VSS
NC
100N
4U7
100N
XC6227C331
GND
GND
GND
GND
3V3A - ADCs 31mA typ. x2 + DACs 32mA x4 max = ~200mA
Pd = (5-3.3)*0.2 = 340mW
C168
C169
C170
C171
C172
C173
100N
100N
100N
100N
100N
100N
Build
A
Date
D1
RED
3V3_DBG
R1A
1
8
470R
4
2
R1B
2
7
470R
3
1
GRN
LTST-C195KGJRKT
RED/GREEN
D3
RED
R1C
3
6
470R
4
2
R1D
4
5
470R
3
1
GRN
LTST-C195KGJRKT
RED/GREEN
Project Name
xcore.ai Multi Channel Audio
Build
Sheet Name
Rev
A
XTAG4.SchDoc
1V1
Date
17/08/2022
Sheet
7
of
8
3V3
C113
R69
10K
10U
GND
GND
5V_SW
C178
R142
10K
4U7
GND
GND
3V3A
TP17
C107
R63
4K7
10U
GND
GND
Project Name
xcore.ai Multi Channel Audio
Sheet Name
Rev
Power.SchDoc
1V1
17/08/2022
Sheet
8
of
8
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