2020-08-03 4:10 AM
2020-08-03 5:10 AM
Virtually all micro-controllers use internal NOR flash for random access instruction or data memory. NAND memory is sequential access from a starting page address and doesn't support instruction fetches directly (contents have to be copied to RAM first). This is a fundamental difference in flash architecture. I don't recall ST explicitly stating internal flash is NOR based but it would be the equivalent of stating ST controllers use semiconductor based gates to implement logic.
Jack Peacock
2020-08-03 5:10 AM
Virtually all micro-controllers use internal NOR flash for random access instruction or data memory. NAND memory is sequential access from a starting page address and doesn't support instruction fetches directly (contents have to be copied to RAM first). This is a fundamental difference in flash architecture. I don't recall ST explicitly stating internal flash is NOR based but it would be the equivalent of stating ST controllers use semiconductor based gates to implement logic.
Jack Peacock
2020-08-03 6:14 AM
NAND is like sectors on a hard drive, for Execute In Place NOR is used.
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2020-08-04 12:12 AM
thanks. This is what I was expecting...