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AJone5
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6 years ago

Cyclone 10 LP AS Configuration Problems

I am having problems with a Cyclone 10 LP running a Nios processor that is writing spurious data to its configuration device on power down. I'm using a 16Mbit SPI configuration device and the EPCQ C...
AJone5's avatar
AJone5
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6 years ago

​Hi Wolfgang

I had set all of the dual use pins to Compiler configured. Only when I did that did the DCLK stop after configuration.

I have found that the DCLK continuing toggling is dependent on whether the EPCQ controller II is included in the Qsys build.

If I remove it from a project the DCLK stops after configuration.

However we use the top sector of the configuration device for non-volatile storage of design parameters so I need to be able to read/write to it after configuration. For this I believe I need to set the dual use pins to regular IO?

Thanks