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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?

描述

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

解决方案

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
日期 05/19/2014
状态 Archive
Type 综合文章
的页面