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AR# 22712

8.1 System Generator for DSP - When I use the xlUpdateModel script, why does the VOUT pin not work correctly for the Reed Solomon Encoder if the BYPASS option is selected?

Description

When I use the xlUpdateModel script, why does the VOUT pin not work correctly for the Reed Solomon Encoder if the BYPASS option is selected?

Solution

This problem occurs because the xlUpdateModel script does not set the VOUT pin correctly for the Reed Solomon Encoder when the bypass option is selected. 

 

You can work around this issue by following these steps: 

1. "AND" the VIN and BYPASS pins. 

2. Delay this signal by three clock cycles. 

3. "OR" this with RDY output to provide VOUT pin. 

 

This issue is fixed in System Generator for DSP 8.1.01, scheduled for release in April 2006.

AR# 22712
Date Created 09/04/2007
Last Updated 05/19/2014
Status Archive
Type General Article