The clocks *|dffe28 and *|dffe31 are not timing sensitive. You can safely ignore these unconstrained clocks in the ALTUFM_SPI module. This affects designs targeting MAX® V devices.
Article ID: 000084582 Content Type: Troubleshooting Last Reviewed: 09/09/2013
Can I ignore unconstrained clocks in ALTUFM_SPI module in Max V devices?
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