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SMARC-sAMX8X User Guide. Rev. 1.1
// 30
Pin
Signal
Module
Direction
Module
Termination
Type/
Tolerance
Controller
Power Rail
S49
I2C_GP_DAT
Bi-Dir
PU-4k7
CMOS 1.8V iMX8X
V_1V8
S50
HDA_SYNC/I2S2_LRC
K
Bi-Dir
NC
CMOS
1.5V/1.8V
-
-
S51
HDA_SDO/I2S2_SDO
UT
Out
NC
CMOS
1.5V/1.8V
-
-
S52
HDA_SDI/I2S2_SDIN In
NC
CMOS
1.5V/1.8V
-
-
S53
HDA_CK/I2S2_CK
Bi-Dir
NC
CMOS
1.5V/1.8V
-
-
S54
SATA_ACT#
Out/OD
NC
CMOS 3.3V -
-
S55
USB5_EN_OC#
Bi-Dir OD
PU-10k
CMOS 3.3V USB2517I
V_3V3
S56
ESPI_IO_2
Bi-Dir
-
CMOS 1.8V iMX8X
-
S57
ESPI_IO_3
Bi-Dir
-
CMOS 1.8V iMX8X
-
S58
ESPI_RESET#
Out
-
CMOS 1.8V
SN74AUP1G08
DRYR
-
S59
USB5+
Bi-Dir
-
USB
USB2517I
-
S60
USB5-
Bi-Dir
-
USB
USB2517I
-
S61
GND
-
-
-
-
GND
S62
US
Out
NC
USB SS
-
-
S63
USB3_SSTX-
Out
NC
USB SS
-
-
S64
GND
-
-
-
-
GND
S65
US
In
NC
USB SS
-
-
S66
USB3_SSRX-
In
NC
USB SS
-
-
S67
GND
-
-
-
-
GND
S68
USB3+
Bi-Dir
-
USB
USB2517I
-
S69
USB3-
Bi-Dir
-
USB
USB2517I
-
S70
GND
-
-
-
-
GND
S71
US
Out
Serial-100n
USB SS
iMX8X
-
S72
USB2_SSTX-
Out
Serial-100n
USB SS
iMX8X
-
S73
GND
-
-
-
-
GND
S74
US
In
-
USB SS
iMX8X
-
S75
USB2_SSRX-
In
-
USB SS
iMX8X
-
S76
PCIE_B_RST#
Out
-
CMOS 3.3V
PI7C9X2G404
SL
-
S77
PCIE_C_RST#
Out
-
CMOS 3.3V
PI7C9X2G404
SL
-
S78
PC
In
-
LVDS PCIe
PI7C9X2G404
SL or NC
-
S79
PCIE_C_RX-
In
-
LVDS PCIe
PI7C9X2G404
SL or NC
-
S80
GND
-
-
-
-
GND
S81
PC
Out
Serial-100n or
NC
LVDS PCIe
PI7C9X2G404
SL or NC
-
S82
PCIE_C_TX-
Out
Serial-100n or
NC
LVDS PCIe
PI7C9X2G404
SL or NC
-
S83
GND
-
-
-
-
GND
S84
PCIE_
Out
PD-49R9 or NC
LVDS PCIe
PI7C9X2G404
SL or NC
-
S85
PCIE_B_REFCK-
Out
PD-49R9 or NC
LVDS PCIe
PI7C9X2G404
SL or NC
-
S86
GND
-
-
-
-
GND
S87
PC
In
-
LVDS PCIe
PI7C9X2G404
SL or NC
-