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AR# 16858

6.1i XST - "INFO:Xst:1787 - Unable to map block block_name on BRAM. Output net_name is not connected to a FF"

描述

Keywords: block, RAM, MAP, mapping, BRAM, counters

Urgency: Standard

General Description:
When I attempt to use the new block RAM logic mapping feature for a counter, the following "INFO" message is reported:

"INFO:Xst:1787 - Unable to map block block_name on BRAM. Output net_name is not connected to a FF."

解决方案

XST cannot currently map counters into block RAM; there is currently no known way to work around this issue.
AR# 16858
日期 10/20/2005
状态 Archive
Type 综合文章
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