On 5/30/2018 11:41 PM, Steve wrote:
It just dawned on me, that the stm32 normally executes its programs out of
flash.
I was thinking the flash stored the software, and the first thing it did, was move the code to ram for execution. I was thinking
the flash access time was too slow.
It depends on the specific STM32 part you have. STM32F4-series parts have
128-bit wide flash that effectively runs at 0-wait. I haven't verified the
bigger STM32F7-series but would be surprised if this wasn't also the
case there.
Some of the smaller STM32F3-series parts have 'CCM' RAM which can
be executed from, but it's a bit of a hassle to set up.
Cheers,
Dana K6JQ
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