Intel® Cyclone® 10 LP Core Fabric and General Purpose I/Os Handbook

ID 683777
Date 2/15/2023
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6.3.2.4. Configuration Error Handling

If an error occurs during configuration, Intel® Cyclone® 10 LP devices assert the nSTATUS signal low to indicate a data frame error and the CONF_DONE signal stays low.

To restart configuration automatically, turn on the Auto-restart configuration after error option in the General page of the Device and Pin Options dialog box in the Intel® Quartus® Prime software. The device releases nSTATUS after a reset time-out period (a maximum of 230 µs), and retries configuration.

If you do not turn on this option, you can monitor the nSTATUS pin to detect errors. To restart configuration, pull the nCONFIG pin low for at least 500 ns.