Article ID: 000081511 Content Type: Product Information & Documentation Last Reviewed: 08/29/2012

How do I set my MSEL pins for Cyclone® series devices if I plan on only using JTAG to configure my device?

Environment

BUILT IN - ARTICLE INTRO SECOND COMPONENT
Description

If your design only uses JTAG configuration, you should connect the MSEL0 pin to VCC which correlates to passive serial configuration.  JTAG configuration will always take precedence over other configuration schemes. By setting the MSEL pins for passive serial configuration, you have the option of using the dedicated configuration pins ASDO and nCSO as user I/O pins.

Do not leave any of the MSEL pins floating. For JTAG to work the MSEL pins can be any setting as long as they are not floating.

Related Products

This article applies to 1 products

Cyclone® FPGAs

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