Answer by notan for Is unaligned access in Cortex-M4 atomic?
An unaligned access on M3 cannot be interrupted on the same core, but might be interrupted by an other core or hardware DMA.
View ArticleAnswer by R S for Is unaligned access in Cortex-M4 atomic?
Nope, it isn't.See section A3.5.3 of the ARMv7-M Architecture Reference Manual:In ARMv7-M, the single-copy atomic processor accesses are:All byte accesses.All halfword accesses to halfword-aligned...
View ArticleIs unaligned access in Cortex-M4 atomic?
In the ARM documentation, it mentions thatThe Cortex-M4 processor supports ARMv7 unaligned accesses, and performs all accesses as single, unaligned accesses. They are converted into two or more aligned...
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