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FNP header #10

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FNP header#10
@michalkouril

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@michalkouril
michalkouril
opened on Aug 9, 2024

I didn't see this in your outstanding write up -- next to the JTAG connector there is an unpopulated FNP header -- I believe it stands for Firmware Not Present. Shorting it boots the card into the firmware recovery. It seems more convenient than shorting the FLASH IC pins (and you can leave the short in place while reprogramming the firmware).

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mwrnd

mwrnd commented on Sep 8, 2024

@mwrnd
mwrnd
on Sep 8, 2024
Owner

Thanks michalkouril! I first tried shorting the header with a 1k resistor and then a proper short and both caused the board to boot into Firmware Recovery Mode. Thanks for the tip! I was unaware this is what FNP stood for. I have updated my notes.

FNP_Header_Shorted_with_1k_Resistor

mwrnd
closed this as completedon Nov 9, 2024
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      FNP header · Issue #10 · mwrnd/innova2_flex_xcku15p_notes