Article ID: 000078832 Content Type: Troubleshooting Last Reviewed: 03/12/2014

Why do I not see interrupts on the Scatter Gather DMA controller when writing zero to the MAX_DESCRIPTOR_PROCESSED field?

Environment

Quartus Edition

Quartus® II Subscription Edition

Version Found: 11.0.1 Version Fixed: 13.0

FPGA Intellectual Property

Interrupt

Version Found: 11.0.1 Version Fixed: 13.0

BUILT IN - ARTICLE INTRO SECOND COMPONENT

Description

An issue has been identified in the Scatter Gather DMA that prevents the interrupt ocurring when MAX_DESC_PROCESSED field is set to 0.

Resolution

This issue has been fixed in Quartus® II software version 13.0 and later.

All postings and use of the content on this site are subject to Intel.com Terms of Use.