Pcie Ports - ADLINK Technology SMARC NXP iMX 8M Series User Manual

LEC-iMX8M plus User's Guide 1.0

4.3.6 PCIe Ports

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