RCHD-PF – Polarfire System on Module

  • 5 core RISC-V 667 MHz
  • FPGA up to 254K logic elements
  • Up to 4GB LPDDR4 RAM
  • Up to 64GB eMMC
  • Highspeed IO
  • Numerous buses and interfaces
  • Real-time signal processing
  • Evaluation board available

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RCHD-PF – System on Module

The Conclusive Engineering “Orchid” RCHD-PF is a System on Module that carries a RISC-V CPU and an FPGA. It is powered by Microchip® PolarFire® MPFS250T-1FCVG484EES SoC FPGA with 254K LUTs.Orchid supports the full lineup of Polarfire SoCs that use the FCVG 484 package. Throughout the PolarFire SoC family, the RISC-V CPU always remains the same, offering around 2500 CoreMark performance at 800MHz, while the FPGA scales from 23K to 254K LUTs.

Orchid is extremely power-efficient. Its SoC is capable of delivering 6500 CoreMarks at 1.3W, and is up to 55% more efficient than the closest comparable non-RISC-V solutions. It supports deterministic, asymmetric, hard real-time processing with memory coherence across the RISC-V cores and the FPGA. These applications can run either on bare metal or alongside an operating system like Linux or FreeBSD. Orchid is capable of dual 4K video processing.


SoCMicrochip PolarFire® FPGA SoC
CPU Architecture
  • RISC-V, up to 667 MHz, 5 cores
  • 4x RV64GC application cores
  • 1x RV64IMAC monitor/boot core
  • Performance: 3.125 CoreMarks/MHz, 1.714 DMIPS/MHz
  • Microchip PolarFire® SoC
  • MPFS025T – 23k logic elements
  • MPFS095T – 93k logic elements
  • MPFS160T – 161k logic elements
  • MPFS250T – 254k logic elements
MemoryLPDDR4 (512 MB, 1, 2 or 4GB) 1600 MT/s
Mass storage
  • eMMC 5.0 (4-64 GB)
  • NOR Flash memory (32 MB) for FPGA configuration
  • 1x 1 Gbit/s Ethernet PHY
  • 1x 1 Gbit/s Ethernet MAC (SGMII interface)
PCIePCIe 2.0 up to x4
  • Conclusive Developer Cable connector providing access to:
  • System UART
  • JTAG port
  • System I2C bus
Software support
  • Linux 6.1 & 6.5
  • U-Boot
  • Yocto
  • Buildroot
  • Ubuntu
  • FreeBSD (on request)
Additional features
  • 802.11/b/g/n WiFi with u.fl antenna connector (optional)
  • RTC with external battery back-up
  • 30 high speed differential GPIO / 60 high speed single ended GPIO
  • 32 differential GPIO / 64 single ended GPIO
  • 4 XCVR bidirectional lanes (12.3Gbps)
  • 32MB Flash NOR memory
Operating Temperature–40 °C to 85 °C
Power supply3.3 V
Dimensions65 x 45 mm


Evaluation board

The Conclusive RCHD-PF-EVAL Carrier Board is compatible with an entire RCHD-PF System On Module family.

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