stnolting

> I agree the addressing doesn't matter :) more a "this is the only major difference I see". Basically the diff tells me they 2 FPUs are essentially the same....

I think everything looks fine so far... > `make -f Makefile.xip flash` What is that? What kind of serial flash are you using? First, you should check that the chip...

I think I will add such a "connection check" to the XIP demo program as well.

I have updated the XIP demo program. The new version includes a "connection" check that tries to toggle the write-enable latch of the flash chip.

> And the picture below is the outcome. Seems like you are always receiving ones... So maybe the wiring of your SPI flash is incorrect. Maybe SDI and SDO pins...

Closing this for now. Feel free to open another issue if you have further questions.

@stdefeber > Hardware version 1.10.5 Could upgrade to the most recent version of the core? I think it is then easier (for us) to track the error if necessary. @Unike267...