38 lines
833 B
ReStructuredText
38 lines
833 B
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==============
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Nordic nRF91
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==============
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The nRF91 series of chips from Nordic Semiconductor are based around an ARM Cortex-M33 core
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with integrated LTE-M/NB-IoT modem and GNSS.
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Modem Support
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=============
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Modem is supported in the nRF91 using Nordic's `Modem library <https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrfxlib/nrf_modem/README.html>`_.
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Tool Issues
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===========
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OpenOCD
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-------------
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There is no official support for Nordic Cortex M33 chips (nRF9160 or nRF5340).
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Segger J-Link
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-------------
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To start the GDB servers for the application core, use these commands::
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JLinkGDBServer -device nRF9160 -if SWD -speed 4000 -port 2331
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Then you can connect GDB to targets::
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(gdb) target remote localhost:2331
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Supported Boards
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================
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.. toctree::
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:glob:
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:maxdepth: 1
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boards/*/*
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