109 lines
2.8 KiB
ReStructuredText
109 lines
2.8 KiB
ReStructuredText
.. _efr32_radio_brd4161a:
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EFR32 BRD4161A (SLWRB4161A)
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###########################
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Overview
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********
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The EFR32MG12 Mighty Gecko Radio Board contains a Wireless System-On-Chip
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from the EFR32MG12 family built on an ARM Cortex®-M4F processor with excellent
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low power capabilities.
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.. figure:: efr32mg12-slwrb4161a.jpeg
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:align: center
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:alt: SLWRB4161A Mighty Gecko Radio Board
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SLWRB4161A (image courtesy of Silicon Labs)
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The BRD4161A a.k.a. SLWRB4161A radio board plugs into the Wireless Starter Kit
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Mainboard BRD4001A and is supported as one of :ref:`efr32_radio`.
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Hardware
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********
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- EFR32MG12P432F1024GL125 Mighty Gecko SoC
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- CPU core: ARM Cortex®-M4 with FPU
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- Flash memory: 1024 kB
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- RAM: 256 kB
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- Transmit power: up to +19 dBm
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- Operation frequency: 2.4 GHz and Sub-Ghz
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- Crystals for LFXO (32.768 kHz) and HFXO (38.4 MHz).
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For more information about the EFR32MG12 SoC and BRD4170A board, refer to these
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documents:
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- `EFR32MG12 Website`_
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- `EFR32MG12 Datasheet`_
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- `EFR32xG12 Reference Manual`_
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- `BRD4161A User Guide`_
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Supported Features
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==================
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Please refer to
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:ref:`EFR32 Radio Board Supported Features <efr32_radio_supported_features>`
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for details of the configuration and common features supported by the
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``efr32_radio/efr32mg12p432f1024gl125`` board.
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The default configuration can be found in
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:zephyr_file:`boards/silabs/efr32_radio/efr32_radio_efr32mg12p432f1024gl125_defconfig`
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System Clock
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============
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The EFR32MG12P SoC is configured to use the 38.4 MHz external oscillator on the
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board.
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Serial Port
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===========
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The EFR32MG12P SoC has four USARTs and one Low Energy UARTs (LEUART).
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USART0 is connected to the board controller and is used for the console.
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Programming and Debugging
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*************************
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Please refer to
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:ref:`Programming and Debugging EFR32 Radio Board <efr32_radio_programming>`
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for details on the supported debug interfaces.
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Flashing
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========
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Connect the BRD4001A board with a mounted BRD4170A radio module to your host
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computer using the USB port.
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Here is an example for the :ref:`hello_world` application.
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: efr32_radio/efr32mg12p432f1024gl125
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:goals: flash
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Open a serial terminal (minicom, putty, etc.) with the following settings:
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- Speed: 115200
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- Data: 8 bits
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- Parity: None
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- Stop bits: 1
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Reset the board and you should see the following message in the terminal:
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.. code-block:: console
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Hello World! efr32_radio
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.. _EFR32MG12 Website:
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https://www.silabs.com/wireless/zigbee/efr32mg12-series-1-socs
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.. _EFR32MG12 Datasheet:
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https://www.silabs.com/documents/public/data-sheets/efr32mg12-datasheet.pdf
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.. _EFR32xG12 Reference Manual:
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https://www.silabs.com/documents/public/reference-manuals/efr32xg12-rm.pdf
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.. _BRD4161A User Guide:
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https://www.silabs.com/documents/public/user-guides/ug260-brd4161a-user-guide.pdf
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