Type: Answers

Type: Errata

Area: Intellectual Property



MAC Function Stops Reading from Receive FIFO Buffer before Almost Empty Threshold is Reached

Description

This errata affects the Triple-Speed Ethernet MegaCore function.

The MAC function stops reading from the receive FIFO buffer and de-asserts the ff_rx_dval signal before the number of unread entries in the buffer reaches the almost empty threshold.

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

Workaround/Fix

This issue has no workaround.This issue is fixed in version 11.1 SP1 of the Triple-Speed Ethernet MegaCore function.