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    1.0.3 • Public • Published

    SiFive Core Complex IP Arty boards specific files

    This project provides support for the SiFive synthesised E31/E51 devices running on the Arty development board.

    Developer info

    This section is intended to developers who plan to include this library in their own projects.


    A recent xpm, which is a portable Node.js command line application.

    Compiling the source code requires a modern C++ compiler, preferably GCC 5 or higher.

    Easy install

    This package is available as @sifive/arty-boards from the registry; with xpm available, installing the latest version of the package is quite easy:

    $ xpm install @sifive/arty-boards@latest

    This package is also available from GitHub:

    $ git clone sifive-arty-boards-xpack.git

    How to use

    The standard way to include the board files is

    #include <micro-os-plus/board.h>



    E31/E51 Core Complex FPGA Eval Kit Clock and Reset

    The E31/E51 Core Complex FPGA Eval Kit has a 100MHz input to the FPGA. This is used to derive the Core Complex’s io_coreClock at 65 MHz, and the clock (peripheral clock) at 32.5 MHz. The io_rtcToggle is driven at approximately 32kHz.

    The system reset driven by the Reset Button on the evaluation board is combined with the external debugger’s SRST_n pin as a full system reset for the E31/E51 Core Complex FPGA Eval KitT ̇his is combined with the io_ndreset to drive the reset input to the Core Complex.

    The reset vector is set with Switch 0. Leave the switch in the “Off” position to execute from SPI Flash.

    Global interrupts

    • UART TX/RX 1
    • SWITCH 0 2
    • SWITCH 1 3
    • SWITCH 2 4
    • SWITCH 3 5
    • Quad SPI 6
    • GPIO[0] LED 0 RED 7
    • GPIO[1] LED 0 GREEN 8
    • GPIO[2] LED 0 BLUE 9
    • GPIO[3] SWITCH 3 10
    • GPIO[4] BUTTON 0 11
    • GPIO[5] BUTTON 1 12
    • GPIO[6] BUTTON 2 13
    • GPIO[7] BUTTON 3 14
    • GPIO[8] PMOD A[0] 15
    • GPIO[9] PMOD A[1] 16
    • GPIO[10] PMOD A[2] 17
    • GPIO[11] PMOD A[3] 18
    • GPIO[12] PMOD A[4] 19
    • GPIO[13] PMOD A[5] 20
    • GPIO[14] PMOD A[6] 21
    • GPIO[15] PMOD A[7] 22
    • PWM CMP[0] 23
    • PWM CMP[1] LED 1 RED 24
    • PWM CMP[2] LED 1 GREEN 25
    • PWM CMP[3] LED 1 BLUE 26

    Maintainer info

    How to publish

    • commit all changes
    • update; commit with a message like CHANGELOG: prepare v0.1.2
    • npm version patch
    • push all changes to GitHub
    • npm publish


    The original content is released under the MIT License, with all rights reserved to Liviu Ionescu.


    npm i @sifive/arty-boards

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