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J-Link EDU Mini
The small-size educational debug probe

The J-Link EDU Mini is a minimalistic version of the J-Link debug probe in a reduced form factor with identical functionality. It is designed for educational purposes and supports Arm and RISC-V based microcontrollers.

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Compare J-Link models
Documentation
SEGGER J-Link EDU Mini debug probe
  1. 1.Overview
    1. 1.1.Key features
  2. 2.Supported devices
  3. 3.Software
    1. 3.1.Multi-platform
    2. 3.2.Licensing and support
  4. 4.Flash Breakpoints
  5. 5.SEGGER Educational Partnership Program
  6. 6.Media gallery
    1. 6.1.Videos
  7. 7.Technical specifications
  8. 8.Package content
  9. 9.FAQ

Overview

The J-Link EDU Mini is a stripped-down, budget-friendly model of the  J-Link debug probe created for educational use. Even with its reduced size, it maintains the J-Link features of fast download rates into the internal flash of supported microcontrollers and the setting of unlimited breakpoints in flash memory. 

The J-Link EDU Mini is available to educational institutions, private persons, and students who want to educate themselves in programming and debugging of embedded systems. Find out more about SEGGER's Educational Partnership Program.

Key features

  • Tiny size (18mm by 50mm) - similar to a USB stick
  • Full J-Link functionality
  • Download speed up to 200 KB/s
  • Unlimited breakpoints in flash memory (Flash Breakpoints)
  • Supports a broad range of microcontrollers
  • Free software updates

Supported devices

The list of supported manufacturers, families and devices and SoCs includes tens of thousands of devices in hundreds of device families. J-Link EDU mini supports a subset of all devices supported by J-Link, please consult the J-Link comparison chart for details.

Device not listed? Please don’t hesitate to contact us.

J-Link EDU Mini: Supported devices (icon)

Software

All software is included free of charge. As a legitimate owner of a SEGGER J-Link, you can always download the latest software free of charge. Though not planned and not likely, we reserve the right to change this policy. Note that older models may not be supported by newer versions of the software. Typically, we support older models with new software at least 3 years after end of life.

The J-Link Software and Documentation Package is available here:

DownloadJ-Link Software and Documentation Pack

Multi-platform

As a multi-platform solution, J-Link EDU Mini comes with the setup and control software for Linux, macOS and Windows. The MAC and Linux versions are fully usable, but limited to the following components:

  • J-Link Commander
  • Command line GDBServer
  • Shared library (DLL-equivalent)

Software and firmware updates are included. Similarly, use on all currently supported target devices, and any that will be added, is also included.

Licensing and support

You may use the J-Link EDU Mini for non-profit educational purposes only! Non-profit educational purposes means that you may not use the J-Link EDU Mini and its J-Link software:

  • directly or indirectly in or for a profit organization or business purposes or other undertaking intended for profit.
  • directly or indirectly within any other commercial environment (e.g. office).
  • to develop, debug, program or manufacture a commercial product (or parts thereof).
  • to either earn money or reasonably anticipate the receipt of monetary gain from it.

Any other use of the J-Link EDU Mini is prohibited and illegal! If there is any doubt that a certain use may be considered within the foregoing scope or whether your use of the J-Link EDU Mini applies to an educational situation, it is strongly recommended to get in touch and consult SEGGER prior to use.

For clarification purposes: A student using the J-Link EDU Mini directly or indirectly within a business or profit organization (e.g. company) is considered a violation of the scope of this agreement.

Please note:
J-Link EDU Mini does not come with support. In case of questions/problems, you can visit our community forum. However, there is no claim for guaranteed support in the forum. View forum rules for more information.

 

Flash Breakpoints

The J-Link EDU Mini license includes the Unlimited Flash Breakpoints in flash memory feature. Developers may set an unlimited number of breakpoints in flash memory helping to debug applications that run from flash memory.

Learn more about Unlimited Flash Breakpoints...

J-Link EDU Mini: Flash Breakpoints (icon)

SEGGER Educational Partnership Program

The SEGGER Educational Partnership Program (SEPP) connects students and teachers with SEGGER, The Embedded Experts, bringing commercial-grade tools for embedded systems, and over 30 years of experience, into the classroom.

More on the SEGGER Educational Partnership Program...

Media gallery

Videos

SEGGER J-Link Tutorials: The J-Link Configurator

Mar. 2022 | 5:24 min
J-Link — J-Link Configurator

SEGGER J-Link Tutorials: The J-Link Commander

Mar. 2022 | 7:48 min
J-Link — J-Link Commander

SEGGER BBC micro:bit J-Link upgrade: Step-by-step instructions

Aug. 2016 | 1:33 min
BBC micro:bit J-Link Upgrade — Intro

SEGGER J-Link PRO: Analyzing Cortex-M faults using SEGGER's Ozone debugger

Aug. 2020 | 7:30 min
J-Link & Ozone — Cortex-M Faults analysis

SEGGER J-Link PRO: An introduction to Cortex-M faults and how SEGGER's Ozone debugger can help

Aug. 2020 | 5:22 min
J-Link & Ozone — Intro Cortex-M Faults

SEGGER J-Link PRO: Performance analysis on RISC-V

Jan. 2022 | 4:02 min
J-Link — Performance analysis

SEGGER J-Link Remote Server: Accessing a J-Link, J-Trace or Flasher remotely - anywhere in the world

Mar. 2019 | 4:35 min
J-Link Remote Server — Intro

Technical specifications

General
Supported OSMicrosoft Windows (x86/x64), Linux (x86/x64/Arm), macOS (x86/Apple Silicon)
Electromagnetic compatibility (EMC)EN 55032, EN 55035
Operating temperature+5°C ... +60°C
Storage temperature-20°C ... +65 °C
Relative humidity (non-condensing)Max. 90% rH
Mechanical
Size (without cables)42.5mm x 22mm x 8mm
Weight (without cables)10g
Available Interfaces
USB interfaceUSB 2.0 (Full-Speed)
Target interface9-pin 0.05'' Samtec FTSH connector
JTAG/SWD Interface, Electrical
Power supplyUSB powered, max. 30mA
Target interface voltage (VIF)1.8V, 3.3V
Current drawn from target voltage sense pin (VTRef)< 170µA
Target supply voltageN/A
Target supply currentN/A
Reset typeOpen drain with 150 Ohms series resistor. Can be pulled low or tristated
JTAG/SWD Interface, Timing
JTAG speedMax. 4 MHz
SWO sampling frequencyMax. 4 MHz
Data input rise time (Trdi)Trdi <= 20ns
Data input fall time (Tfdi)Tfdi <= 20ns
Data output rise time (Trdo)Trdo <= 10ns
Data output fall time (Tfdo)Tfdo <= 10ns
Clock rise time (Trc)Trc <= 10ns
Clock fall time (Tfc)Trc <= 10ns

Package content

SEGGER J-Link EDU Mini debug probe
J-Link EDU Mini

FAQ

Q: How can I purchase the J-Link EDU Mini?

A:  In case you would like to purchase the J-Link EDU Mini, please contact our authorised distributors. J-Link EDU Mini is sold to students, teachers, universities, schools or other non-commercial educational institutions only. If you are not sure how to purchase a SEGGER J-Link EDU Mini, please contact us.

Headquarters

SEGGER Microcontroller GmbH

Ecolab-Allee 5
40789 Monheim am Rhein, Germany
info@segger.com
Tel.: +49-2173-99312-0
Fax: +49-2173-99312-28

Locations

USA: SEGGER Microcontroller Systems LLC

Boston area
101 Suffolk Lane
Gardner, MA 01440, USA
us-east@segger.com
Tel.: +1-978-874-0299
Fax: +1-978-874-0599

Silicon Valley
Milpitas, CA 95035, USA
us-west@segger.com
Tel.: +1-408-767-4068

China: SEGGER Microcontroller China Co., Ltd.

Room 218, Block A, Dahongqiaoguoji
No. 133 Xiulian Road
Minhang District, Shanghai 201199, China
china@segger.com
Tel.: +86-133-619-907-60

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