Altera Arria V Avalon-ST - Manual (Page 146)

Transaction Layer Protocol (TLP) Details
10
2014.12.15
Subscribe
Send Feedback
Supported Message Types
INTX Messages
The following table describes the message INTX messages. For Endpoints, only INTA messages are
generated.
Table 10-1: INTX Messages
Message
Root
Port
Endpoint
Generated by
Comments
App
Layer
Core Core
(with
App
Layer
input)
INTX Mechanism For Endpoints, only INTA messages are
generated.
Assert_
INTA
Receive Transmit No Yes No
For Root Port, legacy interrupts are
translated into message interrupt TLPs
which triggers the
int_status[3:0]
signals
to the Application Layer.
•
int_status[0]
: Interrupt signal A
•
int_status[1]
: Interrupt signal B
•
int_status[2]
: Interrupt signal C
•
int_status[3]
: Interrupt signal D
Assert_
INTB
Receive Transmit No No No
Assert_
INTC
Receive Transmit No No No
Assert_
INTD
Receive Transmit No No No
Deassert
_INTA
Receive Transmit No Yes No
© 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.
ISO
9001:2008
Registered
www.altera.com
101 Innovation Drive, San Jose, CA 95134