InsightSiP ISP2454-LX-EB

Blecon Pre-built Firmware

The latest release of pre-built Blecon firmware for this board is available here: isp2454_lx_eb-2.1.0.tar.bz2

Unpack the above archive and follow the instructions below to flash the firmware on your development board.

Flashing Prebuilt Firmware

Requirements

• Computer with Windows, macOS, or Linux

• USB Mini-B cable to connect your ISP2454-LX-EB

• Nordic nRF Connect for Desktop

Steps

1. Connect your ISP2454-LX-EB to your computer with the USB Mini-B cable

2. Start the nRF Connect for Desktop app and select the Programmer tool.

3. Click the Blue "Select Device" dropdown in the top-left of the Programmer tool and select the "J-Link" device

4. In the "File" section of the sidebar, click the "Add File" button and select "Browse...", then select the firmware you wish to flash.

5. In the "Device" section of the sidebar, click the "Erase and write" button to program the firmware

Connecting to UART

The ISP2454-LX-EB J-Link USB interface exposes a virtual serial port to interface with the module's UART.

• On Windows this interface is usually named COMxx. In Windows Device Manager the port will appear as COMxx (JLink CDC UART Port)

• On Mac this interface is usually named /dev/tty.usbmodemXXXXXXXXXXX.

• On Linux this port is usually named /dev/ttyACMx.

Develop With this Board in Zephyr

You will first need to set up Zephyr and initialise a workspace for the Blecon Device SDK

The board target for the ISP2454-LX-EB is: isp2454_lx_eb/nrf54l15/cpuapp

Sample command for building and flashing the Devboard Demo Application:

west build -p -b isp2454_lx_eb/nrf54l15/cpuapp -s blecon-device-sdk/examples/zephyr/devboard-demo
west flash

Change the source path option (-s) to build the other examples.

Button and LED mappings

Blecon Devboard Demo

Refer to the Devboard Demo App Getting Started Guide for instructions about how to use this application.

Demo App Function	Board Button
ping	BTN 1
announce	BTN 2

Demo App Function	Board LED
Blecon status	LED1