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SMARC-sAMX8X User Guide. Rev. 1.1
// 26
Pin
Signal
Module
Direction
Module
Termination
Type/
Tolerance
Controller
Power Rail
P42
SDIO_D3
Bi-Dir
-
CMOS 3.3V iMX8X
-
P43
SPI0_CS0#
Out
-
CMOS 1.8V iMX8X
-
P44
SPI0_CK
Out
-
CMOS 1.8V iMX8X
-
P45
SPI0_DIN
In
-
CMOS 1.8V iMX8X
-
P46
SPI0_DO
Out
-
CMOS 1.8V iMX8X
-
P47
GND
-
-
-
-
GND
P48
Out
NC
SATA
-
-
P49
SATA_TX-
Out
NC
SATA
-
-
P50
GND
-
-
-
-
GND
P51
In
NC
SATA
-
-
P52
SATA_RX-
In
NC
SATA
-
-
P53
GND
-
-
-
-
GND
P54
ESPI_CS0#
Out
-
CMOS 1.8V iMX8X
-
P55
ESPI_CS1#
Out
-
CMOS 1.8V iMX8X
-
P56
ESPI_CK
Out
-
CMOS 1.8V iMX8X
-
P57
ESPI_IO_1
Bi-Dir
-
CMOS 1.8V iMX8X
-
P58
ESPI_IO_0
Bi-Dir
-
CMOS 1.8V iMX8X
-
P59
GND
-
-
-
-
GND
P60
USB0+
Bi-Dir
-
USB
iMX8X
-
P61
USB0-
Bi-Dir
-
USB
iMX8X
-
P62
USB0_EN_OC#
Bi-Dir OD
PU-10k
CMOS 3.3V iMX8X
V_3V3
P63
USB0_VBUS_DET
In
PD-110k
USB VBUS
5V
iMX8X
-
P64
USB0_OTG_ID
In
-
CMOS 3.3V iMX8X
-
P65
USB1+
Bi-Dir
-
USB
USB2517i
-
P66
USB1-
Bi-Dir
-
USB
USB2517i
-
P67
USB1_EN_OC#
Bi-Dir OD
PU-10k
CMOS 3.3V USB2517i
V_3V3
P68
GND
-
-
-
-
GND
P69
USB2+
Bi-Dir
-
USB
USB2517i
-
P70
USB2-
Bi-Dir
-
USB
USB2517i
-
P71
USB2_EN_OC#
Bi-Dir OD
PU-10k
CMOS 3.3V USB2517i
V_3V3
P72
RSVD
-
NC
-
-
-
P73
RSVD
-
NC
-
-
-
P74
USB3_EN_OC#
Bi-Dir OD
PU-10k
CMOS 3.3V USB2517i
V_3V3
P75
PCIE_A_RST#
Out
-
CMOS 3.3V iMX8X or
PI7C9X2G404
SL
-
P76
USB4_EN_OC#
Bi-Dir OD
PU-10k
CMOS 3.3V USB2517i
V_3V3
P77
RSVD
-
NC
-
-
-
P78
RSVD
-
NC
-
-
-
P79
GND
-
-
-
-
GND
P80
PCIE_
Out
PD-49R9
LVDS PCIe
PI7C9X2G404
SL
-
P81
PCIE_C_REFCK-
Out
PD-49R9
LVDS PCIe
PI7C9X2G404
SL
-
P82
GND
-
-
-
-
GND
P83
PCIE_
Out
-
LVDS PCIe
9FGL0441
-
P84
PCIE_A_REFCK-
Out
-
LVDS PCIe
9FGL0441
-
P85
GND
-
-
-
-
GND
P86
PC
In
Serial-0R
LVDS PCIe
Option: iMX8X -