Article ID: 000083505 Content Type: Troubleshooting Last Reviewed: 07/02/2012

MAC Function Does Not Assert ff_rx_dsav Signal when 64-byte Frame is Received

Environment

Quartus Edition

Quartus® II Subscription Edition

Version Found: 11.1 Version Fixed: 11.1.2

FPGA Intellectual Property

Ethernet

Version Found: 11.1 Version Fixed: 11.1.2

BUILT IN - ARTICLE INTRO SECOND COMPONENT

Critical Issue

Description

This errata affects the Triple-Speed Ethernet MegaCore function.

When the rx_section_full register is set to 16, the MAC function does not assert the ff_rx_dsav signal for 64-byte frames.

This issue affects variants of MAC function with internal FIFO buffer.

Resolution

This issue has no workaround.This issue is fixed in version 12.0 of the Triple-Speed Ethernet MegaCore function.

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