`nrf52840-pac`
FreePeripheral access API for the nRF52840 microcontroller (generated using svd2rust) - [](https://crates.io/crates/nrf52840-pac)
FreeFree tier
About `nrf52840-pac`
nrf52840-pac is a Rust Peripheral Access Crate (PAC) for the Nordic Semiconductor nRF52840 microcontroller. It is generated automatically from the vendor's SVD (System View Description) file using svd2rust, providing safe, low-level access to all microcontroller peripherals such as GPIO, UART, SPI, I2C, USB, radio, and more. This crate is part of the rust-embedded ecosystem and is designed for developers writing bare-metal or RTOS-based embedded applications in Rust.
Key Features
Generated from official Nordic SVD file for accurate register mappings
Provides type-safe, low-level peripheral access via Rust's ownership model
Supports all nRF52840 peripherals: GPIO, UART, SPI, I2C, USB, radio, timers, etc.
Zero-cost abstractions - no runtime overhead
Part of the rust-embedded ecosystem, compatible with cortex-m-rt and RTFM
Pros & Cons
Pros
- Memory-safe and type-safe peripheral access
- Generated from official SVD, ensuring correctness
- Lightweight and no runtime dependencies
- Well-maintained within the rust-embedded community
Cons
- Requires familiarity with Rust embedded development and hardware registers
- Not a high-level HAL; direct register manipulation needed
- Only supports nRF52840, not other Nordic chips
Best For
Developing bare-metal firmware for nRF52840-based devicesReal-time embedded applications using Rust's safety guaranteesBuilding Bluetooth Low Energy (BLE) or Thread/IoT applications on nRF52840Low-level driver development and hardware testing
FAQ
What is a PAC in Rust?
A Peripheral Access Crate provides a low-level API to access microcontroller peripherals directly via memory-mapped registers, with Rust's type and ownership safety.
How is nrf52840-pac generated?
It is generated automatically from the nRF52840 SVD file using the svd2rust tool, ensuring register accuracy.
Is this crate suitable for production use?
Yes, it is widely used in production embedded systems, but developers should verify register correctness against the datasheet.