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Hmm, thanks, I'm surprised those MSP430 cpus aren't more expensive if their fabrication is that complicated. So it sounds like the ARM designs (I guess basical
by throwaway81523 2y ago
Hmm, thanks, I'm surprised those MSP430 cpus aren't more expensive if their fabrication is that complicated. So it sounds like the ARM designs (I guess basically hard macros from ARM Ltd.?) aren't compatible with that type of process. I wonder if a RISC-V design starting with downloaded HDL would be easier. I hope it happens: FRAM is really cool in concept and I've had a few application ideas where it would be great.
- myself248 2y agoI've been wondering if the MSP430's are a single die with the FRAM and the µC on the same process, or if they're co-packaging a "standard" FRAM die made elsewhere.
- throwaway81523 2y agoIf the FRAM was a separate die, they could use any CPU they wanted instead of being limited to the MSP430. Added: aha, found the fancier ($20) Launchpad that has 128KB of FRAM and an LCD display: https://www.ti.com/tool/MSP-EXP430FR6989 https://www.ti.com/tool/MSP-EXP430FR6989 This thing was apparently released in 2014. Technology continues to march backwards.