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The MicroChip "PolarFire SoC" FPGA chips have five 64 bit RISC-V cores (SiFive U54-MC) currently running at 600 to 667 MHz (depending on speed grade) inside. So
by brucehoult 6y ago
The MicroChip "PolarFire SoC" FPGA chips have five 64 bit RISC-V cores (SiFive U54-MC) currently running at 600 to 667 MHz (depending on speed grade) inside. So far the only available device has 250k logic elements (LUT4 + FF) for $340 qty 1, but there are part numbers in the data sheet for other sizes in future.
I have an "Icicle" board based on this chip. The FPGA comes preconfigured to boot Linux from the included pre=programmed SD card, so you can just use it to run Linux if you don't care about FPGAs. Or you can replace or enhance the default FPGA programming.