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AR# 44226

13.2 EDK - Virtex-5FX FPU does not meet 200 MHz timing in High Speed Mode

Description

If I enable the PowerPC's floating point unit in high-speed mode at 200 MHz, it does not meet timing. The FPU datasheet states that a FX130T-1 should be able to run the FPU at 200 MHz in this mode.

Solution

Currently, the only work-around for this issue is to run the FPU at a lower clock rate.

There are no plans to fix this issue at this time.

AR# 44226
Date Created 03/26/2012
Last Updated 12/15/2012
Status Active
Type General Article
Tools
  • EDK - 11.5
  • EDK - 12.1
  • EDK - 12.2
  • More
  • EDK - 12.3
  • EDK - 12.4
  • EDK - 13
  • EDK - 13.1
  • EDK - 13.2
  • Less
IP
  • Floating-Point Unit for the PowerPC (Single Precision)