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nRF 52840-DK fails execution with undefined instruction (CFSR.UNDEFINSTR) 0

I got a 52840-DK a couple of days ago. I installed the latest IAR Embedded Workbench (9.70.1); also downloaded the latest Nordic SDK,and then started building and executing...
- development
- flash
- nrf52840
- hardware
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0 replies

Started 24 minutes ago
by szamos
Not Answered
nRF Desktop APP Direct Test Mode Wrong TX Values 0

Im working with: -Windows Nordic Connect for Desktop App v5.20. -Direct Test Mode v2.5.0 -nRF54L15 flashed with ncs v2.9.0 direct_test_mode example There is currently...
12 views

0 replies

Started 26 minutes ago
by JonasZ
Not Answered
MCU BOOT FOTA DFU and building strategy 0

Dear team, in my design I'm using MCUBOOT to perform FOTA DFU over BLE and I need some confirmation about the building process to be sure to do all the step in a properly...
13 views

0 replies

Started 40 minutes ago
by STE
Not Answered
Using NFC Library in 'raw' APDU mode : how to set FWI/FWTX? 0

Custom device using nrf5340, with NFC card emulation functionality. To use the NFC, I understand that I should use the supplied nfc_t4t library (binary) and its api. I have...
12 views

0 replies

Started 1 hour ago
by BrianW
Not Answered
SPI00 Not working in nRF54L15 0

Hi, I am currently implementing an E-Ink display application using the SPI interface on our custom nRF54L15 board. I initially configured the display with the following...
19 views

0 replies

Started 2 hours ago
by Theja

Recent in Nordic blog

Beacon Kit - Mistake in Ref_Design_UG_v1.0

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I connected the programming header as described in "nRF6930_Beacon_Ref_Design_UG_v1.0.pdf" 5.5.4 Programming interface. I was trying to program Beacon Kit but failed many times then I compared it with…
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SD card interfacing

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Hi, I have written SD & SDHC card routine for reading, writing and erasing data from SD card. It used the hardware SPI of nRF51822. NOTE: 1)Define the PINs of SD card first before initialing. 2)Define…
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There are several types of write operations, write request with authorization, write request without authorization and write command. You can see message sequence charts for those messages here and he…
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Sniffer application for OS X

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Getting started with nRF51 development on Mac OS X

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Update: Since this blog was originally written the nrfjprog tool has been ported to OS X (now macOS). This means that the flash programming is much simpler, and it is simply a matter of following the documentation…
- 1 Sep 2014