this post was submitted on 26 Dec 2023
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TKey: A reasonably secure RISC-V computer in a USB stick (dev.tillitis.se)
submitted 10 months ago* (last edited 10 months ago) by dannym@lemmy.escapebigtech.info to c/technology@lemmy.world
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[–] dragontamer@lemmy.world 4 points 10 months ago

in this case the instruction set is extremely small

https://developer.arm.com/documentation/dui0646/c/The-Cortex-M7-Instruction-Set/Instruction-set-summary

So is the Cortex M7. The entirety of the M0+, M4, and M7 microcontroller cores are very, very small ARMs.

iCE40 DSPs

Hmmm. Okay, so its an FPGA Risc-V then.

That's kind of sad, that means there's no hope that its as power-efficient as a proper ASIC core like ARM-M7.