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Mojo v2 hdmi hat SDRAM issue?

I have a mojo v2, and a little while ago I acquired the official HDMI hat with built-in SDRAM. I'd been playing with the HDMI output quite happily, but recently tried to use the SDRAM and the example configurations don't seem to work.

The SDRAM demo just instantly lights up the LEDs to signal errors, and my custom project to read/write to the SDRAM based on UART communication always returns back the last thing I wrote to it, as if the address lines were ignored.

Are there any known issues with the SDRAM hat and the v2 of the mojo board? I thought the differences between v2 and v3 were purely around securing the USB connector better?

Does anyone have any recommendations for trying to diagnose if there's a problem with the SDRAM?


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Mojo v2 hdmi hat SDRAM issue? - by mm0zct - 10-24-2019, 09:44 PM

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