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J-Link downloads

The J-Link software & documentation pack gives you the USB drivers needed for your system, a number of utilities as well as a dynamically linkable library (DLL on Windows) used by most of the IDEs and debuggers using J-Link.

Also included are a number of sample setup scripts for devices needing one as well as documentation. The package can be downloaded and used free of charge by any owner of a J-Link, J-Trace or Flasher ARM, Flasher RX model.

It is updated frequently. All utilities and features included can be used on any of these units without the need for an additional license, with the exception of J-Flash, RDI and "Unlimited Flash Breakpoints", which require a separate license on most units (not J-Link ULTRA+, J-Link PRO or J-Link PLUS which include all licenses)

J-Link software & documentation pack can also be used with J-Link KS, SAM-ICE, mIDASLink, DIGI JTAG Link and any other licensed J-Link compatible emulator.
 

Subscribe to the J-Link software update notification list 


Software for Windows

Software and documentation pack for Windows V5.12g [21,209 kb]
md5 checksum: 93b11272f0706b086322c2631b9b42b2
 

Installing the software will automatically install the J-Link USB drivers and offers to update applications which use the J-Link DLL. Multiple versions of the J-Link software can be installed on the same PC without problems; they will co-exist in different directories. More...

Windows Defender under Windows 10

For some versions of the J-Link software package, Windows Defender under Windows 10 triggered a false positive alarm for "Trojan:Win32/Tulim.C!plock" which disabled the download of the software package. This has been recently fixed by Microsoft via new virus definitions. Please make sure that Windows Defender virus definitions are up to date when downloading the package and are at least at the following version:
Antivirus definition: 1.213.5588.0

 

J-Link Debugger V2.14j for Windows, Installer 32 bit version [8,319 KB]
md5 checksum: 254d6b520e138c15400bb111224eedde

 

SystemView package V2.36 for Windows, Installer
 
SystemView package V2.36 for Windows, ZIP archive
 

 

J-Scope V5.10d for Windows [1,780 KB]
md5 checksum: 434122dc99cdb104344c1f0cfdadaa4d

 


Software for Mac OS X

Software and documentation pack for Mac OS X V5.12g [27,042 kb]
md5 checksum: 9bc1aab41d41a6df7d3e586172d8b3ee

 

J-Link Debugger V2.14j for Mac OS X, pkg Installer [26,874 KB]
md5 checksum: 21f495a49d79d7186a4ae3124810988f
J-Link Debugger V2.14j for Mac OS X, dmg image [29,903 KB]
md5 checksum: 4521df2de3cd78121e2108c4c9ef5b7e

 

SystemView package V2.36 for MaxOSX, DMG Installer
 
SystemView package V2.36 for MacOSX, PKG Installer
 

 


Software for Linux

Software and documentation pack for Linux V5.12g, DEB Installer 32-bit version [8,962 kb]
md5 checksum: 3fa47aef2e0c2fdb9bfa4da15336c41d
Software and documentation pack for Linux V5.12g, DEB Installer 64-bit version [13,920 kb]
md5 checksum: eb8cf569d15e85473ca75e19097cdb3d
Software and documentation pack for Linux V5.12g, RPM Installer 32-bit version [8,969 kb]
md5 checksum: fe66129d8df0d7429f6ac3572a2415e6
Software and documentation pack for Linux V5.12g, RPM Installer 64-bit version [11,705 kb]
md5 checksum: e0377f4e3cfee97761502aff029b1259
Software and documentation pack for Linux V5.12g, TGZ archive 32-bit version [8,972 kb]
md5 checksum: 3613a5f39e4ae0e5ddece603a661dc43
Software and documentation pack for Linux V5.12g, TGZ archive 64-bit version [13,937 kb]
md5 checksum: 6c19bc4f51fa18a8d167c97aab005c53

 

J-Link Debugger V2.14j for Linux, DEB Installer 32-bit version [14,849 KB]
md5 checksum: 73320dd5b9bf5d2e2d9c510fd47f6bc8
J-Link Debugger V2.14j for Linux, DEB Installer 64-bit version [14,768 KB]
md5 checksum: 3c9a3d7f4cf4864e5480d740ef279383
J-Link Debugger V2.14j for Linux, RPM Installer 32-bit version [14,842 KB]
md5 checksum: a61bed60dac61a9c704d0926ccd4048e
J-Link Debugger V2.14j for Linux, RPM Installer 64-bit version [14,764 KB]
md5 checksum: dc84482f211a93c1c5f93b8735239e3d
J-Link Debugger V2.14j for Linux, TGZ archive 32-bit version [14,962 KB]
md5 checksum: cf56d541355499fc849fcb77e04290e5
J-Link Debugger V2.14j for Linux, TGZ archive 64-bit version [14,874 KB]
md5 checksum: 36c30f2804e0fb0b31fca8b905ec9c53

 

SystemView package V2.36 for Linux, DEB Installer 32-bit
 
SystemView package V2.36 for Linux, DEB Installer 64-bit
 
SystemView package V2.36 for Linux, RPM Installer 32-bit
 
SystemView package V2.36 for Linux, RPM Installer 64-bit
 
SystemView package V2.36 for Linux, TGZ archive 32-bit
 
SystemView package V2.36 for Linux, TGZ archive 64-bit
 

 


Software for Linux ARM systems 

Software and documentation pack for Linux ARM systems V5.12g [8,784 kb]
md5 checksum: 6a67f9ce8fe20fb715c32f29c7a948dd
  Note: This package is only needed in the special case of J-Link being controlled by a Linux system which is running on an ARM hardware (so J-Link is connected via USB/Ethernet to this ARM system that is running Linux). In case J-Link is just connected to a PC running Linux, the "J-Link software & documentation pack for Linux" is the correct package.

Note: This package comes without any support.

 


 Manuals

  Manual Version Size
Flasher manual (UM08022) V5.00 Rev. 0 2,114 KB
J-Flash manual (UM08003) V5.10 Rev. 0 574 KB
J-Link manual (UM08001) V5.10 Rev. 2 4,204 KB
J-Link GDB Server manual (integrated into UM08001)
   
J-Link RDI manual (integrated into UM08001)    
J-Link USB Protocol manual (RM08001) Rev. 7 350 KB
SystemView manual (UM08027) V2.36 Rev. 0 993 KB

 


Beta software

We frequently publish new Beta versions. The Beta versions follow our current development version very closely and contain the latest features and improvements. However, the Beta versions are not thoroughly tested, but it is usually safe to assume that the Beta version can be used without risk.

Beta software version                               Previous software versions
 


Release notes

Latest J-Link release notes
 


Terms of use

The software consists of proprietary programs of SEGGER, protected under copyright and trade secret laws.
All rights, title and interest in the software are and shall remain with SEGGER.

SEGGER J-Link software may only be used with original SEGGER products and authorized OEM products.
The use of the licensed software to operate SEGGER product clones is prohibited and illegal.

More information...