Connectors
Table 3-9: SoM Interface B Connector (J2) (Continued)
Pin
Signal
2
GND2
3
SP2_OSPI_MISO 23
4
SPI0_CLK
5
SP2_OSPI_MOSI 25
6
SPI0_MISO
7
SPI2_OSPI_D2
8
SPI0_MOSI
9
SP2_OSPI_D3
10
SPI0_SSb
11
SP2_OSPI_CLK
12
SPI0_SEL2b
13
SP2_OSPI_SSb
14
SPI1_CLK
15
OSPI_D4
16
SPI1_MISO
17
OSPI_D5
18
SPI1_MOSI
19
OSPI_D6
20
SPI1_SSb
Table 3-10: SoM Interface C Connector (J3)
Pin
Signal
1
GND1
2
GND2
3
NU
4
NU
5
NU
6
NU
7
NU
8
NU
9
NU
3–14
Pin
Signal
Pin
22
SPI1_SEL2b
42
SPI2_SEL2b
43
24
GND3
44
GND4
45
26
NU
46
27
NU
47
28
NU
48
29
NU
49
30
NU
50
31
TWI0_SCL
51
32
UART1_TXb
52
33
TWI0_SDA
53
34
UART1_RXb
54
35
TWI1_SCL
55
36
UART1_RTSb
56
37
TWI1_SDA
57
38
UART1_CTSb
58
39
TWI2_SCL
59
40
UART2_TXb
60
Pin
Signal
21
NU
22
GND4
23
NU
24
NU
25
GND3
26
NU
27
NU
28
NU
29
NU
Signal
Pin
UART2_RXb
62
UART0_TXb
63
UART2_RTSb
64
UART0_RXb
65
UART2_CTSb
66
UART0_RTSb
67
GND6
68
UART0_CTSb
69
GPIO1
70
GND5
71
GPIO2
72
NU
73
NU
74
NU
75
NU
76
NU
77
NU
78
NU
79
NU
80
Pin
Signal
41
GND7
42
CLK1
43
NU
44
CLK2
45
NU
46
GND8
47
NU
48
JTG0_TMS/
SWDIO
49
NU
Signal
Pin
Signal
GND8
82
LINKPORT1_D7
NU
83
LINKPORT0_D6
CAN0_TX
84
LINKPORT1_D6
NU
85
LINKPORT0_D5
CAN0_RX
86
LINKPORT1_D5
NU
87
LINKPORT0_D4
GND
88
LINKPORT1_D4
NU
89
LINKPORT0_D3
CAN1_TX
90
LINKPORT1_D3
GND7
91
LINKPORT0_D2
CAN1_RX
92
LINKPORT1_D2
NU
93
LINKPORT0_D1
NU
94
LINKPORT1_D1
NU
95
LINKPORT0_D0
NU
96
LINKPORT1_D0
NU
97
LINKPORT0_ACK
NU
98
LINKPORT1_ACK
GND9
99
LINKPORT0_CLK
GND10
100
LINKPORT1_CLK
Pin
Signal
Pin
Signal
61
NU
81
NU
62
NU
82
GPIO3
63
NU
83
NU
64
NU
84
GPIO4
65
NU
85
GND11
66
NU
86
GPIO5
67
NU
87
VDD_EXT
68
NU
88
GPIO6
69
NU
89
VDD_VREF
EV-21569-SOM
®
Manual
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