SMARC-sAMX7 User Guide. Rev. 1.9
// 29
Pin
Signal
Module
Direction
Module
Termi-
nation
Type/
Tolerance
Controller
Controller Pin
Name
Port(i.MX7 dual)
Port (i.MX7 Solo) Power Rail
S24 GBE1_MDI2-
Bi-Dir
-
GBE MDI
88E1510PB2 MDI1-
RGMII
-
-
S25
GND
Bi-Dir
-
-
-
-
-
-
GND
S26 GB
Out
-
GBE MDI
88E1510PB2 MDI3+
RGMII
-
-
S27
GBE1_MDI3-
Bi-Dir
-
GBE MDI
88E1510PB2 MDI3-
RGMII
-
-
S28 GBE1_CTREF
Bi-Dir
-
GBE MDI
-
-
-
-
-
S29 PC
Bi-Dir
-
LVDS PCIe -
-
-
-
-
S30 PCIE_D_TX-
Bi-Dir
-
LVDS PCIe -
-
-
-
-
S31
GBE1_LINK_ACT# Out/OD
-
CMOS 3.3V iMX7
LED_2/INT#
RGMII
RGMII
-
S32 PC
Bi-Dir
-
LVDS PCIe -
-
-
-
-
S33
PCIE_D_RX-
Bi-Dir
-
LVDS PCIe -
-
-
-
-
S34 GND
-
-
-
-
-
-
-
GND
S35
USB4+
Bi-Dir
-
USB
USB4604
USBDN4_DP/PR
T_DIS_P4
HSIC
HSIC
-
S36 USB4-
Bi-Dir
-
USB
USB4604
USBDN4_DM/
PRT_DIS_M4
HSIC
HSIC
-
S37
USB3_VBUS_DET In
-
CMOS 3.3V iMX7
USB_OTG2_V
BUS
USB_OTG2_VBUS
USB_OTG2_VBU
S
USB_OTG2_VDD
A (3.3V)
S38 AUDIO_MCK
Out
-
CMOS 1.8V iMX7
SAI1_MCLK
SAI1_MCLK
SAI1_MCLK
NVCC_SAI (1.8V)
S39 I2S0_LRCK
Bi-Dir
-
CMOS 1.8V iMX7
ENET1_CRS
SAI1_TXFS
SAI1_TXFS
NVCC_SAI (1.8V)
S40 I2S0_SDOUT
Out
-
CMOS 1.8V iMX7
ENET1_COL
SAI1_TXD
SAI1_TXD
NVCC_SAI (1.8V)
S41
I2S0_SDIN
In
-
CMOS 1.8V iMX7
SAI1_RXD
SAI1_RXD
SAI1_RXD
NVCC_SAI (1.8V)
S42 I2S0_CK
Bi-Dir
-
CMOS 1.8V iMX7
SAI1_RXC
SAI1_RXC
SAI1_RXC
NVCC_SAI (1.8V)
S43 ESPI_ALERT0#
In
-
CMOS 1.8V iMX7
EPDC_D4
GPIO2_IO4
GPIO2_IO4
NVCC_EPDC1
(1.8V)
S44 ESPI_ALERT1#
In
-
CMOS 1.8V iMX7
EPDC_D6
GPIO2_IO7
GPIO2_IO7
NVCC_EPDC1
(1.8V)
S45 RSVD
-
-
-
-
-
-
-
-
S46 RSVD
-
-
-
-
-
-
-
-
S47 GND
-
-
-
-
-
-
-
GND
S48 I2C_GP_CK
Out
PU-2k21
CMOS 1.8V iMX7
I2C2_SCL
I2C2_SCL
I2C2_SCL
NVCC_I2C (1.8V)
S49 I2C_GP_DAT
Bi-Dir
PU-2k21
CMOS 1.8V iMX7
I2C2_SDA
I2C2_SDA
I2C2_SDA
NVCC_I2C (1.8V)
S50
HDSA_SYNC/I2S2
_LRCK
Bi-Dir
-
CMOS
1.5V/1.8V
iMX7
SD2_DATA2
SAI2_TXFS
SAI2_TXFS
NVCC_SD2 (1.8V)
S51
HDA_SDO/I2S2_S
DOUT
Out
-
CMOS
1.5V/1.8V
iMX7
SD2_DATA3
SAI2_TXD
SAI2_TXD
NVCC_SD2 (1.8V)
S52
HDA_SDI/I2S2_S
DIN
In
-
CMOS
1.5V/1.8V
iMX7
SD2_DATA0
SAI2_RXD
SAI2_RXD
NVCC_SD2 (1.8V)
S53
HDA_CK/I2S2_CK Bi-Dir
-
CMOS
1.5V/1.8V
iMX7
SD2_DATA1
SAI2_TXC
SAI2_TXC
NVCC_SD2 (1.8V)
S54 SATA_ACT#
-
-
CMOS 3.3V -
-
-
-
-
S55
USB5_EN_OC#
Bi-Dir OD
-
CMOS 3.3V iMX7
PRTPWR4/PR
TCTL4
HSIC
HSIC
-
S56
ESPI_IO_2
Bi-Dir
-
CMOS 1.8V iMX7
EPDC_D10
QSPIB_DA2
QSPIB_DA2
NVCC_EPDC1
(1.8V)
S57
ESPI_IO_3
Bi-Dir
-
CMOS 1.8V iMX7
EPDC_D11
QSPIB_DA3
QSPIB_DA3
NVCC_EPDC1
(1.8V)
S58 ESPI_RESET#
Out
-
CMOS 1.8V iMX7
EPDC_D12
QSPIB_DQS
QSPIB_DQS
NVCC_EPDC1
(1.8V)
S59
USB5+
Bi-Dir
-
USB
USB4604
USBDN4_DP/
PRT_DIS_P4
HSIC
HSIC
-
S60 USB5-
Bi-Dir
-
USB
USB4604
USBDN4_DM/
PRT_DIS_M4
HSIC
HSIC
-
S61
GND
-
-
-
-
-
-
-
GND