Article ID: 000081322 Content Type: Troubleshooting Last Reviewed: 08/23/2012

Why is the programable slew rate control assignment ignored when using calibrated on-chip termination (OCT)?

Environment

BUILT IN - ARTICLE INTRO SECOND COMPONENT
Description

When using calibrated OCT, you cannot use the programmable slew rate feature.

The device handbooks may only state that you cannot use the programmable slew rate feature when using OCT Rs. Even if you are not using OCT Rs for bidirectional pins, the programmable slew rate feature is not available when using OCT Rt.

Related Products

This article applies to 4 products

Arria® II GZ FPGA
Stratix® IV E FPGA
Stratix® IV GT FPGA
Stratix® IV GX FPGA

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