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  3. AR# 40956: LogiCORE IP Ethernet AVB Endpoint v3.1 - Timing errors are occasionally seen when targeting Spartan-3 devices

AR# 40956

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LogiCORE IP Ethernet AVB Endpoint v3.1 - Timing errors are occasionally seen when targeting Spartan-3 devices

Description

When I use the Ethernet AVB Endpoint v3.1 core and target a Spartan-3 device, the following timing constraint occasionally produces timing errors similar to the following:

TS_rtc_clock = PERIOD TIMEGRP "rtc_clock" 8 ns HIGH 50%;

Solution

Running the implement tools again with a different cost table usually resolves this issue.

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
40955 LogiCORE IP Ethernet AVB Endpoint v3.1 - Timing Simulation occasionally times out N/A N/A
AR# 40956
Date 05/23/2014
Status Archive
Type General Article
IP
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