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Domain: clifford.at

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Stories · 1

  1. Project IceStorm Passes Another Milestone: Building a CPU

    Hardware · Opensource · · posted by samzenpus · from the building-it-better dept. · 107 comments
    beckman101 writes: FPGAs — specialized, high speed chips with large arrays of configurable logic — are usually highly proprietary. Anyone who has used one is familiar with the buggy and node-locked accompanying tools that FPGA manufacturers provide. Project IceStorm aims to change that by reverse-engineering some Lattice FPGAs to produce an open-source toolchain, and today it passed a milestone. The J1 open-source CPU is building under IceStorm, and running on real hardware. The result is a fairly puny microcontroller, but possibly the world's most open one.