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Intro to RISC-V
RISC-V is a relatively new computer technology that is being actively promoted as a competitor to many architectures that require fees.
RISC stands for “Reduced Instruction Set Computer”. Here the V stands for the Roman number 5. Hence RISC-V is the 5th Generation of a family of computer cores. It is pronounced “RisK Five”. Unlike most other ISA designs, the RISC-V ISA is provided at no cost with an open source license. RISC-V does not require a license because it is Open Source and Open Architecture which means that the design can be modified and special instructions can be created to improve performance or make life difficult for hackers. For more information view the introduction guide to RISC-V e-book linked here.
A growing list of products and suppliers such as Microchip, Seeed, Xilinx, Digilent are shown below:
- Processor Boards
- FPGA Boards
- Resources
MPFS-ICICLE-KIT-ES
DigiKey Part Number: MPFS-ICICLE-KIT-ES-ND
Description: PolarFire SoC FPGA SiFive RISC-V Icicle Kit MPFS250T-FCVG484EES PolarFire® FPGA Evaluation Board
GAPUINO GAP8 RISC-V DEV KIT
DigiKey Part Number: 1597-1705-ND
GAP8 GAPuino - RISC-V MPU Embedded Evaluation Board
RED-V SIFIVE RISC-V REDBOARD
DigiKey Part Number: 1568-DEV-15594-ND
Description: FE310 RedBoard - RISC-V MPU Embedded Evaluation Board
SIPEED MAIX BIT RISC-V AI+IOT
DigiKey Part Number: 1597-1714-ND
K210 Sipeed MAix BiT RISC-V AI+IoT - RISC-V MPU Embedded Evaluation Board
ARTY A7-100T: DEV BOARD ARTIX-7
DigiKey Part Number: 1286-1206-ND
Artix-7 Artix-7 FPGA Evaluation Board
Trion® T120 BGA324 Development Kit
DigiKey Part Number: 2134-T120F324C-DK-ND
BGA324 Dev Kit T120 Trion® FPGA Evaluation Board
Xyloni® Development Kit
DigiKey Part Number: 2134-XYLONI-ND
Efinix T8F81C2 programmable device in an 81-ball FBGA package which is fabricated using Quantum™ technology
GUIDE to RISC-V
RISC-V is a relatively new computer technology that is being actively promoted as a competitor to many established architectures. This guide has been written as a brief introduction for DigiKey customers and students who would like to gain knowledge of RISC-V software and hardware.
At the RISC-V Global Forum on September 3, 2020, Imagination Technologies will be announcing the “RVfpga: Complete Course in Understanding Computer Architecture” global teaching project for RISC-V as part of its university programme to be launched in November 2020. Some of the material from this course https://university.imgtec.com is presented here.
Efinix - RISC-V SOCs: Powering Embedded Computing
RISC-V is an open-source standard instruction set architecture (ISA) that is managed by the non-profit RISC-V Foundation. This modular ISA has a base instruction set and optional extension sets. Because RISC-V is free and open-source, it has gained popularity worldwide. Over 65 RISC-V cores, both commercial and open-source, are available today.
Efinix has created 3 RISC-V SoCs based on the VexRiscv core created by Charles Papon. The VexRiscv core, which won first place in the RISC-V SoftCPU contest in 2018, is a 32-bit CPU using the ISA RISCV32I with M and C extensions, has five pipeline stages (fetch, decode, execute, memory, and writeback), and a configurable feature set. Each SoC has a RISC-V processor, memory, a range of I/O, and interfaces for embedding user functions. You can easily create entire systems that include embedded compute and user-defined accelerators all in the same Trion® FPGA.
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