J-Link / J-Trace (UM08001) © 2004-2017 SEGGER Microcontroller GmbH & Co. KG
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1.3.5 J-Link PRO
J-Link PRO is a JTAG emulator designed for ARM cores. It is
fully compatible to J-Link and connects via Ethernet/USB to a
PC running Microsoft Windows 2000 or later, Linux or Mac OS X.
For a complete list of all operating systems which are sup-
ported, please refer to Supported OS on page 25. J-Link PRO
comes with licenses for all J-Link related SEGGER software.
1.3.5.1 Additional features
• Fully compatible to J-Link
• More memory for future firmware extensions (ARM11, X-
Scale, Cortex R4 and Cortex A8)
• Additional LEDs for power and RESET indication
• Comes with web interface for easy TCP/IP configuration
(built-in web server)
• Serial Wire Debug supported
• Serial Wire Viewer supported
• Download speed up to 3 MByte/second
• Comes with built-in licenses for: Unlimited number of
breakpoints in flash (FlashBP), J-Link GDBServer, J-Link RDI, J-Link RDDI and J-
Flash (production programming software).
• Embedded Trace Buffer (ETB) support
• Galvanic isolation from host via Ethernet
1.3.5.2 Hardware versions
Version 1.1
Compatible to J-Link.
• Provides an additional Ethernet interface which allows to communicate with J-
Link via TCP/IP.
Version 3
Identical to version 1.1 with the following exception:
• SWD support for non-3.3V targets.
Version 4
• New design based on STM32F407 + FPGA (Cyclone IV)Version 4.3
Identical to version 4 with the following exception:
• Pin 1 (VTref) is used for measuring target reference voltage only. Buffers on J-
Link side are no longer powered through this pin but via the J-Link internal volt-
age supplied via USB.
1.3.5.3 Software and Hardware Features Overview
For detailed information about hardware and software features of your J-Link/J-Trace
model and version see:
• https://wiki.segger.com/Software_and_Hardware_Features_Overview
1.3.6 J-Link Lite ARM
J-Link Lite ARM is a fully functional OEM-version of J-Link. If
you are selling evaluation-boards, J-Link Lite ARM is an inex-
pensive emulator solution for you. Your customer receives a
widely acknowledged debug probe which allows to start right
away with development.
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