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AR# 11288

3.1i CORE Generator - Verilog :8b/10b decoder: Error does not detect 1000000111 even though there are six zeros in a row

Description

Keywords: CORE Generator, COREGen, 8b, 10b, Decoder, error, 1000000111, Code_err, does, not, high, six, zeros, Verilog

Urgency: Standard

General Description:
In the 8b/10b Decoder core, an error should occur when five or more zeros occur in succession, and code_err should go high. However, when the input is at 1000000111, this does not happen.

Solution

This issue has been fixed in Version 2_0 of 8b/10b Decoder, which is available in IP_Update#3 (D_IP3) and newer IP updates.

For the latest IP updates, go to the Xilinx IP center at:
http://www.xilinx.com/ipcenter/coregen/updates.htm
AR# 11288
Date Created 03/27/2001
Last Updated 08/23/2002
Status Archive
Type General Article