Skip to content

Welcome to OpenSiFli at GitHub, Home of SF32!

SiFli Technologies is a fabless semiconductor design company specializing in silicon platforms tailored for modern AIoT applications. These platforms are typically battery-powered and need to deliver either high-performance computing, ultra-low power consumption, or, frequently, both simultaneously.

SiFli’s SF32 series of microcontrollers feature microprocessors that operate at a peak frequency of 240MHz while ensuring minimal leakage current in sleep mode. The integrated I$ and D$ caches enable seamless execution from extended memory like PSRAM and NOR Flash. The series also provide a range of SiP (system-in-package) options, with in-package PSRAM capacities reaching up to 64MB.

All SiFli microcontrollers come standard with an in-house developed 2.5D GPU, providing hardware-accelerated graphics processing for tasks such as alpha blending, rotation, scaling, and more. An independent display controller manages data transfer to displays with various interfaces, including SPI (1/2/4 data lanes), 8080, DPI/RGB, MIPI, JDI, and others.

Low-power wireless connectivity is provided via single-mode BLE or dual-mode BT/BLE, offering industry-leading ultra-low power consumption. For instance, maintaining a BLE connection with a 1-second interval requires as little as 6µA, while keeping a BT sniff mode (1-attempt) with a 1-second interval requires less than 10uA.

Here you can find a list of resources to help you develope your own products.

Website

SDK

Purchasing the Hardware

Discussions and Requests

GitHub discussions are used for various topics and feature and example requests.

Pinned Loading

  1. SiFli-SDK SiFli-SDK Public

    C 150 64

Repositories

Showing 10 of 53 repositories
  • sifli-rs Public

    Rust Hardware Abstraction Layer (HAL) for SiFli MCUs

    OpenSiFli/sifli-rs’s past year of commit activity
    Rust 15 Apache-2.0 4 1 2 Updated Feb 23, 2026
  • hub-mirror-action Public

    一个Github Action,用于在Github, Gitee, GitLab和GitCode之间同步代码。Action for mirroring repos between Hubs (like Github, Gitee, GitLab and GitCode).

    OpenSiFli/hub-mirror-action’s past year of commit activity
    Python 0 MIT 0 0 0 Updated Feb 22, 2026
  • sync-pr-to-gitlab Public Forked from espressif/sync-pr-to-gitlab

    GitHub Action - Sync approved PRs to internal codebase (Gitlab)

    OpenSiFli/sync-pr-to-gitlab’s past year of commit activity
    Python 0 Apache-2.0 5 0 0 Updated Feb 22, 2026
  • pr-test Public

    pr-test

    OpenSiFli/pr-test’s past year of commit activity
    0 1 0 2 Updated Feb 22, 2026
  • SiFli-SDK Public
    OpenSiFli/SiFli-SDK’s past year of commit activity
    C 150 Apache-2.0 64 45 6 Updated Feb 20, 2026
  • sifli-pac Public

    Rust Peripheral Access Crate (PAC) for SiFli MCUs

    OpenSiFli/sifli-pac’s past year of commit activity
    Rust 1 Apache-2.0 3 0 1 Updated Feb 16, 2026
  • xiaozhi-sf32 Public Forked from 78/xiaozhi-sf32

    Build your own AI friend via Bluetooth by SF32

    OpenSiFli/xiaozhi-sf32’s past year of commit activity
    C 9 MIT 171 0 2 Updated Feb 12, 2026
  • OpenSiFli/SiFli-Bluetooth’s past year of commit activity
    C 4 9 2 0 Updated Feb 11, 2026
  • EPD_Reader Public
    OpenSiFli/EPD_Reader’s past year of commit activity
    C 16 14 1 1 Updated Feb 11, 2026
  • SiFli-SDK-CodeKit Public

    Accelerate SiFli-SDK Development

    OpenSiFli/SiFli-SDK-CodeKit’s past year of commit activity
    TypeScript 18 Apache-2.0 6 2 1 Updated Feb 11, 2026

Most used topics

Loading…