NAD M12 Service Manual - page 23
8.USB XMOS BOARD (1/2)
OC_DETECT
USER_VBOF
TP7009
TESTPAD
GN
D
1
IN1
2
IN2
3
EN
4
OC
5
OUT1
6
OUT2
7
OUT3
8
U7005
TPS2021D
R7023
47k
C
7024
4.7u
TP7008
TESTPAD
R7022
47k
R7025
0R
C7023
100n
1
2
4
3
D7002
PRTR5V0U2X
VBUS_USER
VBUS_USER
VCC3V3
VBUS_USER
USB-USER
VBUS generation
with
Ov ercurr ent Detectionin
output
C7016
100n
C70
5
33n
R7010
4.7k
R7009
4.7k
C7013
4.7u
C7018
4.7u
C7017
33n
C7014
100n
VDD1
1
DQ0
2
VDDQ1
3
DQ1
4
DQ2
5
VSSQ4
6
DQ3
7
DQ4
8
VDDQ2
9
DQ5
10
DQ6
11
VSSQ3
12
DQ7
13
VDD2
14
DQML
15
WE
16
CAS
17
RAS
18
CS
19
BA0
20
BA1
21
A10
22
A0
23
A1
24
A2
25
A3
26
VDD3
27
VSS3
28
A4
29
A5
30
A6
31
A7
32
A8
33
A9
34
A11
35
A12
36
CKE
37
CLK
38
DQMH
39
NC
40
VSS2
41
DQ8
42
VDDQ3
43
DQ9
44
DQ10
45
VSSQ2
46
DQ11
47
DQ12
48
VDDQ4
49
DQ13
50
DQ14
51
VSSQ1
52
DQ15
53
VSS1
54
U7000
MT48LC16M16A2
3V3SD
SDRAM 256 Mbi t s
Close to U7000 each VDD/VSS pairs
R7014
100k(NC)
R7012
100k(NC)
C7019
100n(NC)
V CC3V 3
VCC3V3
V CC3V 3
Close to device power pin
Seri al Data Flas h 64 Mbits
PA21
PA0
25
PA1
27
PA2
30
PA3
32
PA4
34
PA5
PA6
PA7
43
PA8
45
PA9
47
PA10
48
PA11
50
PA12
53
PA13
54
PA14
56
PA15
57
PA16
58
PA17
60
PA18
62
PA19
64
PA20
66
PA21
73
PA22
74
PA23
75
PA24
76
PA25
77
PA26
78
PA27
79
PA28
80
PA29
122
PA30
123
PB
0
88
PB
1
90
PB
2
96
PB
3
98
PB
4
100
PB
5
102
PB
6
104
PB
7
106
PB
8
111
PB
9
113
PB
1
0
115
PB
1
1
119
PB
1
2
121
PB
1
3
126
PB
1
4
127
PB
1
5
134
PB
1
6
136
PB
1
7
139
PB
1
8
141
PB
1
9
143
PB
2
0
3
PB
2
1
5
PB
2
2
6
PB
2
3
9
PB
2
4
11
PB
2
5
13
PB
2
6
14
PB
2
7
15
PB
2
8
19
PB
2
9
20
PB
3
0
21
PB
3
1
22
PC0
85
PC1
86
PC2
124
PC3
125
PC4
132
PC5
133
PX0
1
PX1
2
PX2
4
PX3
10
PX4
12
PX5
24
PX6
26
PX7
31
PX8
33
PX9
35
PX10
38
PX11
40
PX12
42
PX13
44
PX14
46
PX15
59
PX16
61
PX17
63
PX18
65
PX19
67
PX20
87
PX21
89
PX22
91
PX23
95
PX24
97
PX25
99
PX26
101
PX27
103
PX28
105
PX29
107
PX30
110
PX31
112
PX32
114
PX33
118
PX34
120
PX35
135
PX36
137
PX37
140
PX38
142
PX39
144
RESET_n
23
TCK
129
TDO
130
TDI
131
TMS
128
ADVREF
82
DP
71
DM
70
VDDANA
81
VD
D
IO
6
116
V
DDI
O
5
108
G
ND7
109
G
ND6
94
V
DDI
O
4
93
V
DDP
L
L
84
G
ND5
72
VBUS
68
GNDANA
83
V
DDI
O
3
69
V
DDC
O
R
E
3
55
G
ND4
52
V
DDC
O
R
E
2
51
NC
49
G
ND3
37
V
DDI
O
2
36
V
DDC
O
R
E
1
29
G
ND2
28
G
ND1
18
V
DDI
N
17
V
DDO
UT
16
G
ND0
8
V
DDI
O
1
7
G
ND8
117
V
DDC
O
R
E
4
138
V
DDI
O
0
92
U7003
AT32UC3A0512
TP7018
TESTPAD
R7028
39R
28
028
R7027
39R
R7031
0R
R7030
0R
VDD3V3IO
VDD1V8PLL
VDD3V3IN
VDD1V8OUT
VDD3V3ANA
VDD3V3ANA
VBUS_USER
VDD1V8CORE
RESETn
Cl ose to UC3A pi ns
TP
701
2
73
TP
701
0
73
&
Q
TP
701
1
73
TP
701
5
TP
-
& ' ;
TP
701
3
73
TP
701
6
TP
TP
701
7
TP
TP
701
4
73
VCC3V3
3L Q +HD GHU P P PDO H
C7
021
22
P
C7
022
22
P
X
C
700
1
Q12.0-SMU4-30-30/30-
XC7000
11.2896M
C7
026
22
p
C7
025
22
p
DQM1
CS1n
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
A16
A17
A13
A14
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
D11
D12
D13
D14
D15
DQM0
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A13
A14
A16
A17
SD
C
K
SD
C
K
E
RA
S
n
CA
S
n
SD
W
E
n
SD
A
1
0
DQM1
DQM0
SDA10
SDCK
SDCKE
RASn
CASn
SDWEn
CS1n
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D1
0
D1
1
D1
2
D1
3
D1
4
D1
5
SPI0_CS0
SPI0_SCK
SPI0_MOSI
SPI0_MISO
US BH_FS
US BH_BCK
US BH_SD0
USBH_FS
USBH_BCK
USBH_SD0
SPI0_CS0
SPI0_SCK
SPI0_MOSI
SPI0_MISO
US BH_MCLK
USBH_MCLK
EVTO_N
JTAG_TCK
JTAG_TDO
JTAG_TDI
JTAG_TMS
EV
T
O
_
N
(9 72 B1
-7$ * B7&.
-7$ * B7' 2
-7$ * B7' ,
-7$ * B70 6
A18
OC_DET
OC_DET
U
S
E
R
_
VBO
F
U
S
E
R
_
VBO
F
R7000
0R
D7001
Yellow-Green LED SMD
L7001
BLM18HE152SN1
L7000
BLM18HE152SN1
TP7000
TESTPAD
R7
005
4R
7
TP7003
TESTPAD
TP7001
TESTPAD
TP7004
TESTPAD
TP7002
TESTPAD
TP7005
TESTPAD
R7007
150R
R7001
0R
VDD3V3IN
VDD3V3IO
VCC3V3
VDD3V3ANA
VCC5V
VCC3V3A1
R7011
0R
TP7006
TESTPAD
TP7007
TESTPAD
GNDANA
C7045
33n
C7061
33n
C7050
100n
C706
33n
C7037
33n
C7057
100n
C705
33n
C7053
4.7u
C7033
2.7n
C7030
2.2u
C7047
470p
C7029
100n
C7055
100n
C7043
4.7u
C7051
100n
C7044
100n
C7034
2.7n
C7038
33n
C7035
33n
C7041
33n
C7042
2.2u
C7052
33n
C7056
100n
C7040
2.7n
C7031
2.7n
C7054
100n
C7036
33n
C7048
100n
C7064
33n
C7063
33n
C7032
2.7n
C7046
2.2u
C7049
33n
C7062
33n
C7058
100n
VDD1V8OUT
VDD1V8CORE
VDD1V8CORE
VDD1V8CORE
VDD1V8CORE
VDD1V8PLL
VDD3V3ANA
VDD3V3IO
VDD3V3IN
VDD3V3IO
VDD3V3IO
Dec oupling Capac it or s
Close to VDDANA
pi n
Close to VDDOUT
pi n
Cl ose to each VDDIO pin
Close to e ach VD DIO pin
Close to VDDIN pin
Close t o VDDPLL
pi n
Close to each VDDCORE pin
Close to each
VDDCORE pi n
dgnd
C7006
2.2U/25V X5R
C7007
100n
gnd
out
in
en
adj
da
p
U7001
LP38500-3V3
dgnd
C7005
2.2U/10V
C7012
220U/ 6.3 V H
CN
VCC5V
R7002
10K5 1%
R7003
2K 1%
R7004
332K
C7004
330U/25V
C7001
100nZ
BOOT
VIN
EN
SS
VSENSE
COMP
GND
PH
U7002
TPS54331
C7003
2.2UF
R7006
115K
1%
C7011
15nZ
1
2
L7002
10uH
SMD
2
D7000
SS36
C7009
390PF
C7010
27PF
R7008
53K6 1%
L7004
Ferrite/2A
12V5a
VCC5V
C7000
220U/ 6.3 V HCN
C7002
100N/25V X7R
C7039
100N
RESET
GND
RESET
VDD
MR
U7007
TPS3825
DGND
RESETn
VCC3V3
DGND
R7032
33R
USBS_RST1
USBS_RST1
USBS_RST
R7013B
120R
R7013D
120R
R7013C
120R
R7013A
120R
R7024B
82R
R7024D
82R
R7024C
82R
R7024A
82R
USBH_FS
USBH_BCK
USBH_SD0
MCLKI
US B_SEL0
USB_SEL0
USB_SEL0
L7003
BLM18HE152SN1
R7026B
120R
R7026D
120R
R7026C
120R
R7026A
120R
USB_SEL1
US B_SEL1
USB_SEL1
SPI2_MISO
SPI2_MOSI
SPI2_SCK
SPI2_CS0
R7019
120R
SPI2_CS0
SPI2_MISO
SPI2_MOSI
SPI2_SCK
SPI2_CS0
SPI2_MISO
SPI2_MOSI
SPI2_SCK
USBF_D-
USBF_D+
C7027
100N
1D+
1
1D-
2
2D+
3
2D-
4
GN
D
5
OE
6
D-
7
D+
8
S
9
VC
C
10
U7006
TS3USB221A
MCUD+
MCUD-
USBF_D+
USBF_D-
DGND
VCC3V3
DGND
VDD3V3IO
USB_SEL2
R7020
120R
PB
0
PB
1
PB
2
PB
3
PB
4
PB1
PB2
PB3
PB4
PB22
PB1
PB2
PB3
PB4
R7050
33R
R7051
33R
R7052
33R
R7053
33R
R7054
33R
R7055
33R
R7056
33R
R7057
33R
R7058
33R
R7060
33R
PB
5
PB
6
PB
7
PB
8
PB
9
PB5
PB6
PB7
PB8
PB9
PB5
PB6
PB7
PB8
PB9
PA0a
PA1a
PA0a
PA1a
R7059
33R
R7061
33R
PA0
PA1
PB
2
2
PB22
TP
70
2
0
TE
STP
A
D
TP
70
1
9
TE
STP
A
D
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
NC
9
NC
10
W
11
RP
12
VPP
13
DU/WP
14
RY/BY
15
NC
16
A17
17
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
E
26
GND
27
G
28
DQ0
29
DQ8
30
DQ1
31
DQ9
32
DQ2
33
DQ10
34
DQ3
35
DQ11
36
VCC
37
DQ4
38
DQ12
39
DQ5
40
DQ13
41
DQ6
42
DQ14
43
DQ7
44
DQ15/A_1
45
GND
46
BYTE
47
A16
48
U7018
29LV800
C7096
100N
C7097
10U /10V
L7012
BLM18HE152SN1
C7095
100N
V CC3V 3
3V 3FLS
3V3FLS
3V3FLS
L7011
BLM18HE152SN1
V CC3V 3
3V 3SD
3V 3SD
3V 3SD
3V3SD
Close to U7008 each VDD/VSS pairs
CS2n
CS2n
RESETn
R7101
0R
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A13
A14
A16
A17
A1
A12
A15
A1
A15
A12
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
3V3FLS
F/OE
F/OE
HOLD
VCC
NC
NC
NC
NC
S
DQ1
W/VPP
VSS
NC
NC
NC
NC
DQ0
C
U 7004
M 25PX 64(N C)
R7199
100k(NC)
A18
R7103
4.7k
SI
1
SCK
2
RESET
3
CS
4
WP
5
VCC
6
GND
7
SO
8
U7104
AT45DB642D-CNU(NC)
V CC3V 3
RESETn
NCS0
R7110
10K
RY/BY
RY/BY
NCS0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
R7111
33R
R7112
33R
R7113
33R
R7114
33R
R7115
33R
SW 7000
SKRAALE010
VBUS
1
D-
2
D+
3
GND
5
GND
6
GND
4
J7001
USB TYPEA
R7015
120R
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
dgnd
GNDANA
dgnd
3V3FLS
dgnd
C7 12 3
22N
R7126
100R
D7010
1SS352
D7011
1SS352
L7107
FB
R7140
NC
R7211
0R
C7317
100n
C7318
100n
C7350
4.7u
R7327
0R
R7328
0R
R 7 3 2 9
10K
dgnd
R7029
0R
DGND
C7
13
0
22N
R
712
9
100
R
D
700
9
1S
S
352
D
700
8
1S
S
352
DGND
C7 10 0
33P
C7101
33P
USB_RDY
USB_RDY
USB_RDY
EVTO_N
23