PCI11010C datasheet(14/46 Pages) MICROCHIP

14 / 46 page

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2025 Microchip Technology Inc. and its subsidiaries

DS00006232A-page 14

PCI11010C

3.1

Pin Descriptions

TABLE 3-2:

PIN DESCRIPTIONS

Name

Symbol

Buffer Type

Description

PCIe Common Pins

PCIe REFCLK+

Input

PCIE_REFCLK_IN_P

LVDS

Common PCIe REFCLK+ input from host

PCIe REFCLK-

Input

PCIE_REFCLK_IN_M

LVDS

Common PCIe REFCLK- input from host

PCIe Reset#

Input

PCIE_PERST_N

Power and Clock Good Indication

The PERST# signal indicated that both PCIe power

and clock are available.

This active low signal is used by the system to reset

the chip. The active low pulse should be at least 1 µs

wide.

Note: When the device is powered down, this pin is

isolated from the PCIe bus and does not pres-

ent any significant loading or provide any

drive.

PCIe Port 0 (Upstream) Pins

PCIe TX+

Lane 0 Port 0

PCIE_TXP_L0_P0

I/O-P

Upstream PCIe Port 0 Lane 0 TX+

PCIe TX-

Lane 0 Port 0

PCIE_TXM_L0_P0

I/O-P

Upstream PCIe Port 0 Lane 0 TX-

PCIe RX+

Lane 0 Port 0

PCIE_RXP_L0_P0

I/O-P

Upstream PCIe Port 0 Lane 0 RX+

PCIe RX-

Lane 0 Port 0

PCIE_RXM_L0_P0

I/O-P

Upstream PCIe Port 0 Lane 0 RX-

PCIe TX+

Lane 1 Port 0

PCIE_TXP_L1_P0

I/O-P

Upstream PCIe Port 0 Lane 1 TX+

PCIe TX-

Lane 1 Port 0

PCIE_TXM_L1_P0

I/O-P

Upstream PCIe Port 0 Lane 1 TX-

PCIe RX+

Lane 1 Port 0

PCIE_RXP_L1_P0

I/O-P

Upstream PCIe Port 0 Lane 1 RX+

PCIe RX-

Lane 1 Port 0

PCIE_RXM_L1_P0

I/O-P

Upstream PCIe Port 0 Lane 1 RX-

PCIe Port 1 (Downstream) Pins

PCIe TX+

Lane 0 Port 1

PCIE_TXP_L0_P1

I/O-P

Downstream PCIe Port 1 Lane 0 TX+

PCIe TX-

Lane 0 Port 1

PCIE_TXM_L0_P1

I/O-P

Downstream PCIe Port 1 Lane 0 TX-

PCIe RX+

Lane 0 Port 1

PCIE_RXP_L0_P1

I/O-P

Downstream PCIe Port 1 Lane 0 RX+

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