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