
REL0.2
Page 18 of 58
i.MX8M SMARC SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
Table 3: SMARC Edge Connector Pinouts
Signal
SMARC Pin
(Top)
SMARC Pin
(Bottom)
Signal
GPIO_SMB_ALERT(GPIO1_00)
P1
S1
I2C1_SCL
GND
P2
S2
I2C1_SDA
MIPI_CSI2_CLK_P
P3
S3
GND
MIPI_CSI2_CLK_N
P4
S4
NC
NC
P5
S5
I2C3_SCL
NC
P6
S6
MCLK
MIPI_CSI2_DATA0_P
P7
S7
I2C3_SDA
MIPI_CSI2_DATA0_N
P8
S8
MIPI_CSI1_CLK_P
GND
P9
S9
MIPI_CSI1_CLK_N
MIPI_CSI2_DATA1_P
P10
S10
GND
MIPI_CSI2_DATA1_N
P11
S11
MIPI_CSI1_DATA0_P
GND
P12
S12
MIPI_CSI1_DATA0_N
MIPI_CSI2_DATA2_P
P13
S13
GND
MIPI_CSI2_DATA2_N
P14
S14
MIPI_CSI1_DATA1_P
GND
P15
S15
MIPI_CSI1_DATA1_N
MIPI_CSI2_DATA3_P
P16
S16
GND
MIPI_CSI2_DATA3_N
P17
S17
GB
GND
P18
S18
GBE1_MDI0-
GBE0_MDI3-
P19
S19
GBE1_LINK100#
GB
P20
S20
GB
GBE0_LINK100#
P21
S21
GBE1_MDI1-
GBE0_LINK1000#
P22
S22
GBE1_LINK1000#
GBE0_MDI2-
P23
S23
GB
GB
P24
S24
GBE1_MDI2-
GBE0_LINK_ACT#
P25
S25
GND
GBE0_MDI1-
P26
S26
GB
GB
P27
S27
GBE1_MDI3-
VPHY0_DVDDL
P28
S28
NC
GBE0_MDI0-
P29
S29
NC
GB
P30
S30
NC
NC
P31
S31
GBE1_LINK_ACT#
GND
P32
S32
NC
SDIO_WP
P33
S33
NC
SMARC_SD_CMD
P34
S34
GND
SDIO_CD#
P35
S35
USB_HUB3OUT_DP
SMARC_SD_CLK
P36
S36
USB_HUB3OUT_DM
GPIO_SDIO_PWR_EN(GPIO2_19)
P37
S37
VBUS_OTG
GND
P38
S38
SAI2_MCLK
SMARC_SD_DATA0
P39
S39
SAI2_TXFS
SMARC_SD_DATA1
P40
S40
SAI2_TXD0