Achronix ACE Version 5.0 User Manual

Page 87

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Chapter 3. Concepts

PCIe Placement

Choose which site this PCIe instance should occupy. The Placement IP Diagram
will be updated to show the chosen configuration.

Device ID (hex)

The PCI Express Device ID

Revision ID (hex)

The PCI Express Revision ID

Subsystem ID (hex)

The PCI Express Sub-system ID

Vendor ID (hex)

The PCI Express Vendor ID

Subsystem Vendor
ID (hex)

The PCI Express Subsystem Vendor ID

Class Code (hex)

Value returned when the Class Code Configuration Register is read. Must be set
to the correct value for the type of device being implemented

Operating Mode

The operating mode of the PCI Express traffic

Root Port ID (hex)

This 16 bit field is used to define the ID used for PCIe Requester ID and
Completer ID when the core is operating as a Downstream Port (Root Port,
Downstream Switch Port). When the core is operating as an Upstream Port
(Endpoint, Upstream Switch Port), the core captures its Requestor/Completer ID
from received Configuration Write transactions.

Number of DMA
Channels

The number of DMA channels for this interface.

Enable DMA
Bypass

Bypass the DMA interface and use only the bypass interface.

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UG001 Rev. 5.0 - 5th December 2012

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