LEC-
iMX8M plus User’s Guide 1.0
SGET SMARC Rev 2.1
Page 31
copyright © 2021 ADLINK Technology Inc.
4.3.6
PCIe Ports
The module supports two PCIe Gen 2.1 ports (PCIE_A and PCIE_B).
Name
Pin # Description
I/O
Type
I/O
Level
Power
Domain
PU / PD Comments
PC
PCIE_A_TX-
P89
P90
Differential PCIe link A transmit data pair
O LVDS
PCIE
Runtime
Series AC coupled on module
PC
PCIE_A_RX-
P86
P87
Differential PCIe link A receive data pair
I LVDS
PCIE
Runtime
Series AC coupled off module
PCIE_
PCIE_A_REFCK-
P83
P84
Differential PCIe Link A reference clock
output
O LVDS
PCIE
Runtime
PCIE_A_RST#
P75
PCIe Port A reset output
O
CMOS
3.3V
Runtime
PCIE_A_CKREQ#
P78
PCIe Port A clock request
I OD
CMOS
3.3V
Runtime
No need for this signal because module
provides onboard PCIe clock
PC
PCIE_B_TX-
S90
S91
Differential PCIe link B transmit data pair
O LVDS
PCIE
Runtime
Series AC coupled on module
PC
PCIE_B_RX-
S87
S88
Differential PCIe link B receive data pair
I LVDS
PCIE
Runtime
Series AC coupled off module
PCIE_
PCIE_B_REFCK-
S84
S85
Differential PCIe Link B reference clock
output
O LVDS
PCIE
Runtime
PCIE_B_RST#
S76
PCIe Port B reset output
O
CMOS
3.3V
Runtime
PCIE_B_CKREQ#
P77
PCIe Port B clock request
I OD
CMOS
3.3V
Runtime
No need for this signal because module
provides onboard PCIe clock
PC
PCIE_C_TX-
S81
S82
Differential PCIe link C transmit data pair
O LVDS
PCIE
Runtime
Series AC coupled on module
PC
PCIE_C_RX-
S78
S79
Differential PCIe link C receive data pair
I LVDS
PCIE
Runtime
Series AC coupled off module
PCIE_
PCIE_C_REFCK-
P80
P81
Differential PCIe Link C reference clock
output
O LVDS
PCIE
Runtime
Summary of Contents for SMARC NXP i.MX8M-plus Quad NPU
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