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DBatc · 2020-12-17

I'm using the FMC of a STM32H7 micro to communicate with an LCD, which has timing signals similar to a NOR SRAM. I have the MDMA configured to write 16-bit words out of a buffer to the FMC at the 0x60000000 address (bank 1). The MDMA is configured to...

DBatc · 2020-12-24

Based on the post here titled "STM32H743II FMC + 8080 LCD spurious writes" and the reference to the caching feature noted in AN4839, it appears that data caching can affect memory bank 1. But swapping the memory bank out with one normally associated ...

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Why would I see different results writing data via the FMC while debugging with a breakpoint on the enable step compared to running without breakpoints? With the breakpoint, I get valid data.

Re: Why would I see different results writing data via the FMC while debugging with a breakpoint on the enable step compared to running without breakpoints? With the breakpoint, I get valid data.