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AR# 18373

Virtex-II Pro - Figure 4-5 in the User Guide (v2.4) is missing pull-ups on the TDO lines.

描述

In the User Guide for Virtex-II Pro (v2.4), page 287 says that TDO has no internal pullup and that a recommended value of 200 Ohms external pullup should be used on TDO. 

http://direct.xilinx.com/bvdocs/userguides/ug012.pdf
 

However, this pull-up is not shown in Figure 4-5 on pg 290. So, should the pull-ups be used?

解决方案

Yes. There pull-ups should be shown on the TDO lines in figure 4-5 of the Virtex-II Pro User Guide.

AR# 18373
日期 05/08/2014
状态 Archive
Type 综合文章
的页面