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Trace solutions
Debug solutions
Isolators

Trace solutions

J-Trace PRO

The "all-in-one" streaming trace probe for any popular CPU core and architecture

Combines J-Link debugging with advanced trace analysis and profiling
Unlimited instruction trace recording to capture rare and hard-to-reproduce bugs
Live Code Coverage and Live Code Profiling with high-speed streaming via USB 3.0

J-Trace PRO Cortex

The Arm Cortex trace probe

Combines J-Link debugging with advanced trace analysis and profiling
Unlimited instruction trace recording to capture rare and hard-to-reproduce bugs
Live Code Coverage and Live Code Profiling with high-speed streaming via USB 3.0

J-Trace PRO Cortex-M

The leading trace probe for Cortex-M-based microcontrollers

Combines J-Link debugging with advanced trace analysis and profiling
Unlimited instruction trace recording to capture rare and hard-to-reproduce bugs
Live Code Coverage and Live Code Profiling with high-speed streaming via USB 3.0

J-Trace PRO RISC-V

The RISC-V trace probe

Combines J-Link debugging with advanced trace analysis and profiling
Unlimited instruction trace recording to capture rare and hard-to-reproduce bugs
Live Code Coverage and Live Code Profiling with high-speed streaming via USB 3.0

Debug solutions

J-Link PRO PoE

The high-end debug probe for test farms

High-end debug probe with Power over Ethernet (PoE)
Designed for scalable test farms and automated testing
Combines high-performance debugging and programming with remote power delivery

J-Link PRO

The ultra-fast debug probe with USB and Ethernet interfaces

High-performance debug probe for JTAG/SWD programming and debugging
USB and Ethernet connectivity for flexible integration in development and production setups
Built-in web server and Ethernet access for easy configuration and operation far from the host PC

J-Link ULTRA

The ultra-fast debug probe in a compact housing

Ultra-fast JTAG/SWD debug probe
Uses a fast CPU, a built-in FPGA, and a high-speed USB interface
Enhanced performance with integrated target power measurement

J-Link WiFi

The debug probe with WLAN/WiFi interface

Wireless debug probe for targets that move or must remain shielded
High-speed communication for supported target CPUs
USB-powered operation, allowing power sharing with the target device

J-Link PLUS

The JTAG/SWD debug probe

USB-powered JTAG/SWD debug probe
High-speed communication for efficient debugging
Available as J-Link PLUS Classic and J-Link PLUS Compact with identical functionality

J-Link BASE

The entry-level debug probe

Cost-effective entry into professional debugging with SEGGER's proven J-Link platform
Reliable performance for standard development across a wide range of devices
Basic feature set, with advanced capabilities available in higher-tier models

J-Link EDU Mini

The small-size educational debug probe

Compact, budget-friendly J-Link debug probe designed for educational use
Supports Arm and RISC-V microcontrollers with full J-Link functionality
Fast flash download speeds with unlimited breakpoints in flash memory

J-Link OB

The on-board debug probe

On-board J-Link debug probe integrated directly on evaluation boards
Provides debugging, flash programming, and VCOM without additional hardware
Compatible with standard J-Link tools and major IDEs for out-of-the-box debugging

Isolators

JTAG Isolator

The JTAG Isolator can be connected between Jlink or flasher and any Arm board that uses the standard 20-pin JTAG Arm connector to provide electrical isolation. This is essential when the development tools are not connected to the same ground as the application (galvanic isolation).

SWD Isolator

The SWD Isolator can be connected between Jlink or Flasher and any Arm board that uses the standard 20-pin 0.1" male connector to provide electrical isolation. This is essential when the development tools are not connected to the same ground as the application (galvanic isolation).

USB isolator

The USB Isolator can be interconnected between Jlink or Flasher and the host PC. J-Link or Flasher are connected via USB to provide electrical isolation of the J-Link or Flasher from the host (PC) side.