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AR# 15261

4.2i CORE Generator - The 8b10b Decoder output bit order is opposite from the output bit order of the 8b/10b Decoder in Virtex-II Pro RocketIO MGTs

Description

Keywords: COREGen, 8b10b, decoder, Virtex-II Pro, Rocket I/O, Rocket IO, MGT

Urgency: Standard

General Description:
For the 8b/10b Decoder CORE Generator core, the output bit order is the opposite of the output bit order from the 8b/10b Decoder in the Virtex-II Pro RocketIO MGTs.

Solution

To fix this problem, simply reverse the bit order of the core so that the output of the hardware and the software cores match.
AR# 15261
Date Created 07/24/2002
Last Updated 08/25/2003
Status Archive
Type General Article