I-Pi SMARC with SMARC IMX8M Plus CoM

40-Pin Expansion Headers:

40-Pin RPI Compatible Expansion Header (1)

Function MRAA Number MRAA number Function
3.3V 1 2 5V
I2C 1 SDA 3 4 5V
I2C 1SCL 5 6 GND
GPIO 4 7 8 UART TXD
GND 9 10 UART RXD
GPIO 17 11 12 GPIO 18
GPIO 27 13 14 GND
GPIO 22 15 16 GPIO 23
3.3V 17 18 GPIO 24
GPIO 10/MOSI 19 20 Ground
GPIO 9/MISO 21 22 GPIO 25
GPIO 11/SCLK 23 24 GPIO 8
GND 25 26 GPIO 7
DNC 27 28 DNC
GPIO 5 29 30 GND
GPIO 6 31 32 GPIO 12
GPIO 13 33 34 GND
GPIO 19 35 36 GPIO 16
GPIO 26 37 38 GPIO 20
GND 39 40 GPIO 21

40-Pin Expansion Header(2)

Function Pin Number Pin number Function
SER 1 RX 1 2 SER3 RX
SER 1 TX 3 4 SER3 TX
GND 5 6 GND
SER 2 RX 7 8 SER2RTS#
SER 2 TX 9 10 SER2 CTS#
GND 11 12 GND
CANO_H 13 14 CAN1_H
CANO_L 15 16 CAN1_L
GND 17 18 GND
NC 19 20 NC
SPI1_HOLD_N 21 22 SPI1_WP_N
GND SPI1_CS0_N 23 24 SPI1_CS1_N
GND 25 26 VCC_SPI1
SPI1_CLK 27 28 GND
SPI1_IO0_MOSI 29 30 SPI1_IO1_MISO
SPI1_IO3 31 32 SPI1_IO2
ESPI_ALERT_0# 33 34 ESPI_ALERT_1#
ESPI_RESET_N 35 36 GND
NC 37 38 NC
NC 39 40 NC

Connector Pinout and Signal Descriptions

LVDS Pin Header 0

Function Pin Number Pin Number Function
PNLPWR 2 1 LVDS0_EDP0_DSI0_D0_CN_P
.+VDD_PANEL0_EDID 4 3 LVDS0_EDP0_DSI0_D0_CN_N
.+VDD_PANEL0_EDID 6 5 GND
.+VDD_PANEL0 8 7 LVDS0_EDP0_DSI0_D1_CN_P
.+VDD_PANEL0 10 9 LVDS0_EDP0_DSI0_D1_CN_N
GND 12 11 GND
LVDS_BLKT0_CTRL 14 13 LVDS0_EDP0_DSI0_D2_CN_P
LVDS_BLKT0_EN 16 15 LVDS0_EDP0_DSI0_D2_CN_N
GND 18 17 GND
LVDS_BLKT0_EN 20 19 LVDS0_EDP0_DSI0_D3_CN_P
LCD0_VDD_EN_3V3 22 21 LVDS0_EDP0_DSI0_D3_CN_N
eDP_HPD_DSI0_TE_3V 24 23 GND
DDC0_DAT 26 25 LVDS0_EDP0_DSI0_CK_CN_P
DDC0_CK 28 27 LVDS0_EDP0_DSI0_CK_CN_N
GND 30 29 GND

LVDS Pin Header 1

Function Pin Number Pin Number Function
PNLPWR 2 1 LVDS1_EDP1_DSI1_D0_CN_P
.+VDD_PANEL1_EDID 4 3 LVDS1_EDP1_DSI1_D0_CN_N
.+VDD_PANEL1_EDID 6 5 GND
.+VDD_PANEL1 8 7 LVDS1_EDP1_DSI1_D1_CN_P
.+VDD_PANEL1 10 9 LVDS1_EDP1_DSI1_D1_CN_N
GND 12 11 GND
LVDS_BLKT1_CTRL 14 13 LVDS1_EDP1_DSI1_D2_CN_P
LVDS_BLKT1_EN 16 15 LVDS1_EDP1_DSI1_D2_CN_N
GND 18 17 GND
LVDS_BLKT1_EN 20 19 LVDS1_EDP1_DSI1_D3_CN_P
LCD1_VDD_EN_3V3 22 21 LVDS1_EDP1_DSI1_D3_CN_N
eDP_HPD_DSI1_TE_3V 24 23 GND
DDC1_DAT 26 25 LVDS1_EDP1_DSI1_CK_CN_P
DDC1_CK 28 27 LVDS1_EDP1_DSI1_CK_CN_N
GND 30 29 GND