Article ID: 000077664 Content Type: Troubleshooting Last Reviewed: 09/26/2011

Symmetric Interpolation Filters That Use M20K Blocks for Data Storage in Stratix V Devices Fail

Environment

Quartus Edition

Quartus® II Subscription Edition

Version Found: 10.0 Version Fixed: 10.0.1

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Critical Issue

Description

Symmetric interpolation filters that target a Stratix V device and use M20K memory blocks for data storage fail in simulation or compilation.

Symmetric interpolation filters with multicycle variable structure and Data Storage set to M20K that target a Stratix V device.

The Quartus II software cannot generate a netlist, or simulation fails due to a mismatch with expected results.

Resolution

For symmetric interpolation filters with multicycle variable structure that target a Stratix V device, set Data Storage to Auto.

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