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Migrating from 8/16-bit MCUs to 32-bit ARMs Slide 25
The results of using the ARM thumb instruction set are compared to various 8 and 16-bit architectures in the graphic above. So, if there is a concern that code size will bloat to several times its native size when migrating to the ARM7 core, this slide indicates that not only can that be avoided, but in some cases your code can actually be smaller than 8 or 16 bit instruction sets.
PTM Published on: 2011-11-02