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68 lines
2.0 KiB
Markdown
68 lines
2.0 KiB
Markdown
# RoyalBlue54L Feather
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An ARM + RISC-V Feather board with the new nRF54L15, built-in debugger, and smart PMIC
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<p align="center">
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<img src="img/board.jpg" alt="RoyalBlue54L Feather">
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</p>
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## Overview
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The RoyalBlue54L--familiar Feather formfactor with distinctive features. Nordic's next-gen nRF54L15, an onboard CMSIS-DAP debugger + UART bridge, and smart power-management features from the nPM1300 enable rapid development for your next Bluetooth 6.0, Thread, Matter, Zigbee, Amazon Sidewalk, or proprietary wireless project.
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Crowd Supply project link: https://www.crowdsupply.com/lords-boards/royalblue54l-feather
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## Hardware Features
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* Dual-core processing power:
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* ARM Cortex-M33 at 128MHz
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* RISC-V co-processor at 128MHz
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* Comprehensive memory configuration:
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* 1.5MB of non-volatile memory (NVM)
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* 256KB of RAM
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* 2MB external flash
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* Advanced wireless capabilities:
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* BLE 6.0 support with channel sounding for distance estimation
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* 4Mbps PHY for proprietary wireless protocols
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* 30-50% power reduction compared to nRF52 series
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* Integrated development tools:
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* CMSIS-DAP debugger (nRF52833-based)
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* USB-to-UART bridge
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* Open source, Zephyr RTOS-based firmware
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* Smart power management:
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* USB-C charging up to 800mA with nPM1300
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* High-accuracy battery fuel gauge
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* Connectivity:
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* JST-PH connector
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* STEMMA-QT/Qwiic port
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* NFC antenna connector
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* User interfaces:
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* User LED
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* RGB LED (nPM1300-driven)
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* User button
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* Reset button
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## Project Contents
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This project contains the hardware design files for the RoyalBlue54L Feather. The board is designed with KiCAD and includes:
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* Schematic files
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* PCB layout
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* Bill of Materials (BOM)
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* Documentation
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## Related Repositories
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* [Zephyr Board Support](https://github.com/LordsBoards/RoyalBlue-nRF54L15-Zephyr-Boards)
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* [Debugger Firmware](https://github.com/LordsBoards/RoyalBlue-nRF54L15-Debugger-Firmware)
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## License
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Hardware files are released under CERN-OHL-V2-P.
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## Modification Note
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Modified by KiCad Project Feb 17, 2025
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- Removed Manufacturing files
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- Update README.md
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