Article ID: 000075060 Content Type: Troubleshooting Last Reviewed: 05/10/2022

I have the Nios® Development Board Cyclone® Edition and am configuring the part from parallel flash. But now I can't access the EPCS4 serial flash part that is on the board. Is this correct?

Environment

BUILT IN - ARTICLE INTRO SECOND COMPONENT
Description

If you configure from passive-serial (e.g. "user" or "safe" design): you can't access the EPCS4, even if your configuration contains the ASMI peripheral (ASMI access routines return the error code "na_asmi_err_device_not_present").

If you configure from JTAG or EPCS4: you can access the EPCS4 if your design contains the ASMI peripheral, as you'd expect.

Resolution

If you configure from JTAG or EPCS4: you can access the EPCS4 if your design contains the ASMI peripheral, as you'd expect.

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