Article ID: 000078783 Content Type: Troubleshooting Last Reviewed: 09/26/2011

Incorrect Results for Multi-Bit Serial or Interpolation with Signed Binary Fractional

Environment

    Quartus® II Subscription Edition
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Critical Issue

Description

Incorrect results when Structure is set to Distributed Arithmetic: Multi-Bit Serial Filter or the Rate Specification is set to Interpolation, and Signed Binary Fractional is specified for the data type.

Configurations that have a signed binary fractional data type with either a multi-bit structure or an interpolation filter rate specification.

The output data is incorrect.

Resolution

Avoid using a multi-bit serial structure or an interpolation filter rate specification with signed binary fractional data types.

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