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Overview

This note describes how to set up the Emcraft SOM-NRF9151 Hardware Platform.

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Setting Up Hardware

2.1.

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Setting Up Debug Interface

1. Connect an external J-Link probe to the P4 DEBUG connector on the SOM-NRF9151-BSB with 9-pin JTAG/SWD connector.

2. Connect the external J-Link probe a Linux host with a USB cable.

2.2.

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Setting Up Power from USB Type-C

1. Put a jumper on the JP2 header on the SOM-NRF9151-BSB board.

2. Connect a USB Type-C cable to J1 connector on the on the SOM-NRF9151-BSB board.

3. Connect the target board to the host PC via the USB Type-C cable.

2.3.

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Setting Up Power from the Battery

1. Remove a jumper from the JP2 header on the SOM-NRF9151-BSB board.

2. Connect the battery to the P3 connector on the SOM-NRF9151-BSB board.

3. Put Jumper on the JP1 header on the SOM-NRF9151-BSB board.

2.4.

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Setting Up Serial Console Interface via USB

1. Put two jumpers on the JP3 header as shown at the picture below:

   

2. Connect a generic USB cable between the J1 USB-C connector on the baseboard and a Linux host.

2.5.

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Setting Up Serial Console Interface via External USB-UART Adapter

1. Remove two jumpers from the JP3 header on the SOM-NRF9151-BSB board.

2. Connect the USB-UART adapter wires to the following pins on the JP3 header:

   

   • USB-UART TX to JP3.1.

   • USB-UART RX to JP3.3.

   • USB-UART GND to JP3.5.

3. Connect the USB-UART adapter to the Linux host.

4. Connect a generic USB cable between the J1 USB-C connector on the baseboard and a Linux host.

2.6.

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Setting Up LTE Connection

1. Connect the LTE antenna to the J1 connector on the SOM-NRF9151.

2. Insert a nano-SIM card into the SIM Card Connector on the bottom side of the SOM-NRF9151.

2.7.

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Setting Up GNSS Antenna

1. Connect the GNSS antenna to the J2 connector on the SOM-NRF9151.

2.8.

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Setting Up Power Consumption Measurements when Powered from Battery

Current measurements can be done with the Nordic Power Profiler Kit II (PPK2). For special measurement details PPK2 guides should be used. The PPK2 User Guide is available at https://docs-be.nordicsemi.com/bundle/ug_ppk2/attach/PPK2_User_Guide_v1.0.1.pdf?_LANG=enus .

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