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They exposed a bus on one of their Cortex-M cores, so you can add custom instructions when building an ASIC. Perhaps more importantly, they also changed their
by TD-Linux 7y ago
They exposed a bus on one of their Cortex-M cores, so you can add custom instructions when building an ASIC.
Perhaps more importantly, they also changed their licensing to allow custom instructions.
- ahartmetz 7y agoThe bus thing sounds like coprocessors on x86 up to and including 386 (though presumably not in separate chips here). Later there was no real bus anymore (486 SX "FPU" replaced the main CPU) or the only(?) kind of coprocessor ever used, the FPU, became integrated into the CPU.