UPGRADE YOUR BROWSER

We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!

AR# 15708

5.1i XST - XST does not always infer the FSM in my chosen coding style

描述

Keywords: XST, FSM, one-hot, 5.1i, sequential, grey, coding, code

Urgency: Standard

General Description:
XST does not always infer the FSM in my chosen coding style.

解决方案

XST does not currently perform FSM synthesis if no reset signal exists. (The capability for FSM synthesis without a reset signal will be added to a future XST release.)

To work around this issue, manually set the encoding type using the ENUM_ENCODING attribute.

For more information about FSM encoding, please see Chapter 4 of the Synthesis and Simulation Design Guide at:
http://toolbox.xilinx.com/docsan/xilinx5/manuals.htm
AR# 15708
日期 10/20/2005
状态 Archive
Type 综合文章
的页面