TR5-Lite User Manual
39
June 20, 2018
insufficient power. The PCIE_REFCLK_p signal is a differential input that is driven from the PC
motherboard on this board through the PCIe edge connector. A DIP switch (SW3) is connected to
the PCI Express to allow different configurations to enable a x1, x4, or x8 PCIe.
summarizes the PCI Express pin assignments of the signal names relative to the Stratix
V GX FPGA.
Figure 2-11 PCI Express pin connection
Table 2-19
PCI Exp
ress Pin Assignments, Schematic Signal Names, and Functions
Schematic
Signal Name
Description
I/O Standard
Stratix V GX Pin
Number
PCIE_TX_p0
Add-in card transmit bus
1.4-V PCML
PIN_AY39
PCIE_TX_n0
Add-in card transmit bus
1.4-V PCML
PIN_AY40
PCIE_TX_p1
Add-in card transmit bus
1.4-V PCML
PIN_AV39
PCIE_TX_n1
Add-in card transmit bus
1.4-V PCML
PIN_AV40
PCIE_TX_p2
Add-in card transmit bus
1.4-V PCML
PIN_AT39
PCIE_TX_n2
Add-in card transmit bus
1.4-V PCML
PIN_AT40
PCIE_TX_p3
Add-in card transmit bus
1.4-V PCML
PIN_AU41
PCIE_TX_n3
Add-in card transmit bus
1.4-V PCML
PIN_AU42
PCIE_TX_p4
Add-in card transmit bus
1.4-V PCML
PIN_AN41
PCIE_TX_n4
Add-in card transmit bus
1.4-V PCML
PIN_AN42
PCIE_TX_p5
Add-in card transmit bus
1.4-V PCML
PIN_AL41
PCIE_TX_n5
Add-in card transmit bus
1.4-V PCML
PIN_AL42
PCIE_TX_p6
Add-in card transmit bus
1.4-V PCML
PIN_AJ41
PCIE_TX_n6
Add-in card transmit bus
1.4-V PCML
PIN_AJ42
PCIE_TX_p7
Add-in card transmit bus
1.4-V PCML
PIN_AG41