REL1.0
Page 44 of 71
i.MX8 SMARC SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
Table 4: Expansion Connector Pinouts
Signal
Expansion
Connector Pin
Expansion
Connector Pin
Signal
HDMI_RX0_CLK_N
1
2
USB3_HUB3_TXP
HDMI_RX0_CLK_P
3
4
USB3_HUB3_TXM
GND
5
6
GND
HDMI_RX0_ARC_N
7
8
USB3_HUB3_RXP
HDMI_RX0_ARC_P
9
10
USB3_HUB3_RXM
GND
11
12
GND
HDMI_RX0_DATA0_N
13
14
USB3_HUB4_TXP
HDMI_RX0_DATA0_P
15
16
USB3_HUB4_TXM
GND
17
18
GND
HDMI_RX0_DATA1_N
19
20
USB3_HUB4_RXP
HDMI_RX0_DATA1_P
21
22
USB3_HUB4_RXM
GND
23
24
GND
HDMI_RX0_DATA2_N
25
26
LVDS0_CH0_CLK_P
HDMI_RX0_DATA2_P
27
28
LVDS0_CH0_CLK_N
GND
29
30
GND
LVDS0_CH1_TX3_N
31
32
LVDS0_CH0_TX2_P
LVDS0_CH1_TX3_P
33
34
LVDS0_CH0_TX2_N
GND
35
36
GND
LVDS0_CH1_TX2_N
37
38
LVDS0_CH0_TX3_P
LVDS0_CH1_TX2_P
39
40
LVDS0_CH0_TX3_N
GND
41
42
GND
LVDS0_CH1_TX1_N
43
44
LVDS0_CH0_TX0_P
LVDS0_CH1_TX1_P
45
46
LVDS0_CH0_TX0_N
GND
47
48
GND
LVDS0_CH1_TX0_P
49
50
LVDS0_CH0_TX1_P
LVDS0_CH1_TX0_N
51
52
LVDS0_CH0_TX1_N
GND
53
54
GND
LVDS0_CH1_CLK_N
55
56
VHDMI_RX_5V
LVDS0_CH1_CLK_P
57
58
SNVS_TAMPER_IN0
GND
59
60
GND
SNVS_TAMPER_IN1
61
62
MLB_DATA_P
SNVS_TAMPER_OUT1
63
64
MLB_DATA_N
ESAI1_FST
65
66
GND
HDMI_RX0_CEC
67
68
MLB_CLK_P
HDMI_RX_HPD
69
70
MLB_CLK_N
HDMI_RX0_DDC_SDA
71
72
GND
SNVS_TAMPER_OUT0
73
74
MLB_SIG_P
ESAI1_SCKR
75
76
MLB_SIG_N
ESAI1_FSR
77
78
GND
HDMI_RX0_DDC_SCL
79
80
MIPI_CSI0_DATA2_P
