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Pmod CAN - SPI and GPIO Interrupts



Platform : PYNQ Z2

Add-on Pmod CAN

Software : Vivado (Vitis dev suite)


I am using Pmod CAN with a Pynq Z2, and when running the connection automation in Vivado I see that the two interrupts are not connected to the processor.

My project works fine that way, but now, I want to use these interrupts as an input signal for a custom IP, which would take very precise timestamps for each frame received.

I tried looking in the Pmod documentation to have details about these signals and how to use them, but unfortunately there are no information about it. Has anyone here ever used those interrupts and know how they work? Is there a documentation about it that i missed?

My supposition is that SPI interrupt is activated when data is ready for SPI transfer, i.e. that a frame has been received, but I need to be sure.


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