Parameter settings, Avalon-st system settings – Altera Arria V Avalon-ST User Manual
Page 24
Parameter Settings
3
2014.12.15
Avalon-ST System Settings
Table 3-1: System Settings for PCI Express
Parameter
Value
Description
Number of Lanes
×1, ×2, ×4, ×8
Specifies the maximum number of lanes supported.
Lane Rate
Gen1 (2.5 Gbps)
Gen2 (2.5/5.0 Gbps)
Specifies the maximum data rate at which the link can operate.
Port type
Root Port
Native Endpoint
Legacy Endpoint
Specifies the port type. Altera recommends Native Endpoint
for all new Endpoint designs. Select Legacy Endpoint only
when you require I/O transaction support for compatibility.
The Legacy Endpoint is not available for the Avalon-MM
Arria V Hard IP for PCI Express.
The Endpoint stores parameters in the Type 0 Configuration
Space. The Root Port stores parameters in the Type 1 Configu‐
ration Space.
©
2014 Altera Corporation. All rights reserved. ALTERA, ARRIA, CYCLONE, ENPIRION, MAX, MEGACORE, NIOS, QUARTUS and STRATIX words and logos are
trademarks of Altera Corporation and registered in the U.S. Patent and Trademark Office and in other countries. All other words and logos identified as
trademarks or service marks are the property of their respective holders as described at
www.altera.com/common/legal.html
. Altera warrants performance
of its semiconductor products to current specifications in accordance with Altera's standard warranty, but reserves the right to make changes to any
products and services at any time without notice. Altera assumes no responsibility or liability arising out of the application or use of any information,
product, or service described herein except as expressly agreed to in writing by Altera. Altera customers are advised to obtain the latest version of device
specifications before relying on any published information and before placing orders for products or services.
www.altera.com
101 Innovation Drive, San Jose, CA 95134