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Piccolo is an efficient, free, plug-n-play RISC-V processor core delivering the key benefits of open source.


Simplification Save considerable time by using a single processor architecture across all semiconductor platforms (Xilinx, Altera, ASIC, ... )
Innovation Differentiate with your proprietary enhancements and customizations to open source code modified by you or 3rd party RISC-V developers.
Control Make product and business decisions independently of proprietary IP companies by owning source code to processor cores.

Block Diagram


  • RV32IM ISA
  • 1.9 DMIPS/MHz
  • 100 MHz
  • 3-stage pipeline
  • AXI4-Lite interface
  • < 3000 LUTs
  • 4KB Instruction & Data caches
  • Hardware multiply-divide
  • Hardware-based remote GDB

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