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AR# 21353

Virtex-4 RocketIO - Do I have to issue a PMARESET if I change the selects on the clock multiplexers using the TX/RXCLKMODE attributes?

Description

Do I have to issue a PMARESET if I change the selects on the clock multiplexers using the TX/RXCLKMODE attributes?

Solution

Yes, a PMARESET should be issued if the clock multiplexer values are changed. There is a possibility of glitching when these are changed. Once PMARESET is issued, please follow the initialization sequence outlined in (Xilinx Answer 21012).

AR# 21353
Date Created 09/04/2007
Last Updated 05/19/2014
Status Archive
Type General Article