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Codix-Bk3 delivers small size, low power and RISC-V instruction-set compatibility, allowing users to leverage the rich ecosystem of software and tools becoming available, in addition to those provided by Codasip. Codasip-Bk5 can be used with standard peripherals allowing development using RTOSs ported to RISC-V such as FreeRTOS. Interfaces to AHB/AHB Lite and AXI4 Lite are offered. For licensees who also license the Studio tools, it is possible to add custom instructions and to add other features to the Bk5.


  • Support for RV32IM or RV32EM instructions
  • 3-stage pipeline
  • Thirty two (I) or sixteen (E) 32-bit general purpose registers
  • Optional compact instruction extensions
  • Optional floating point extensions
  • Optional instruction pre-fetch
  • Optional instruction and data cache
  • Interrupt support
  • JTAG debug
  • From about 19 kgates for RV32EM
  • From about 27 kgates for RV32IM

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