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3 blog posts tagged with jlink

by Michael Dietz

nrfjprog, pynrfjprog - Intro, Mac OS X & Linux now supported, New Feature


Do you want a more efficient way to program your devices than nRFgo Studio? Are you an OS X or Linux user who has struggled setting up a toolchain for nRF5x devices? Maybe you are using JLink.exe or an open source tool to program your devices or maybe you even wrote your own? If this is you READ THIS POST!

If you...

by jeremysf

QFN-48 socket "programmer" for flashing nRF51

Here's a link to the EagleCAD files for a QFN48 socket to J-Link/JTAG 20-pin connector to program bootloaders, etc for Nordic nRF51:

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I included a USB connector as an alternative to using the 5V power from the J-Link, but haven't had to use that yet; the power from the J-Link device works great!

I also included a 16MHz crystal in the design so that I could boot up the nRF51 and do some basic validation. Probably could get away without populating those or related components.

The socket is available on

by Anders Strand

Programming and debugging custom nRF5x devices

Programming and debugging the nRF5x on our Developments kits is straight forward. Doing the same when you are using other boards might not be so easy. In this blog post we will explain which components are needed in order to program and debug a nRF5x chip.

The nRF chip is connected to a Debug unit through an interface called "Serial Wire Debug", or "SWD" for short. The debug unit acts as a bridge between the chip and your PC. It communicates with the programming and debugging software on your PC through a “Debug interface”. Your PC must have a driver...


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