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Guide to Market Leading Development Tools:
J-Link Debug Probes
Get an overview of SEGGER development tools and find your J-Link JTAG Debug Probe.
The J-Link debug probes with their outstanding performance, robustness, and ease of use are the market leading debug probes today.
Overview: J-Link Debug Probes
The J-Link BASE provides a cost-effective entry into professional debugging with SEGGER's proven hardware
platform.
It is designed for developers who want to get started with J-Link and basic debug functionality. The probe supports a wide range of target devices and offers reliable performance for standard development tasks.
However, compared to other J-Link models, the J-Link BASE includes only a limited set of advanced software features.
For full access to SEGGER's debugging ecosystem, including speeds of up to 4 MB/s and features such as Ozone and unlimited breakpoints in flash memory, higher-tier models like J-Link Pro or J-Link Ultra are recommended.
High download speeds
J-Link BASE offers download speeds of up to 1 MB/s,
ensuring that project development moves forward
smoothly and reliably, with minimized download
times.
Real Time Transfer
J-Link BASE offers Real Time Transfer (RTT), which
provides a simplified path for information to travel
when an application is running. Users can also easily
monitor changes in operation.
Broad CPU and IDE support
J-Link BASE works with an extensive range of microcontrollers and IDEs. It enables users to connect their selected microcontroller with their favorite IDE.
Click image for more
J-Link BASE Classic
J-Link BASE Classic is a USB powered JTAG debug probe supporting a large number of CPU cores. Based on a 32-bit RISC CPU, it can communicate at high speed with the supported target CPUs.
J-Link is supported by all major IDEs such as IAR EWARM, Keil MDK, Rowley CrossWorks, Atollic TrueSTUDIO, IAR EWRX, Renesas HEW, Renesas e2studio, and others. Including all models, more than 100,000 J-Links have been sold, making J-Link the most popular debug probe for ARM cores and a de-facto industry standard.
Key Features
- Supports a broad range of microcontrollers: View List
- Supports direct download into RAM and flash memory
- Multiple CPUs supported—8051, PIC32, RX, ARM7/9/11, Cortex-M/R/A, complete list
- Download speed up to 1 MByte/s
- Optional Unlimited Flash Breakpoints in external flash memory of Cortex-M systems
- Free software updates
- Built-in VCOM functionality
Price € 398,--
J-Link BASE Compact
The compact variant of the J-Link BASE is designed to mount securely and unobtrusively into development or end-user equipment. The housing's small size and two mounting holes enable the device to be placed into existing equipment housing or to conserve space for direct mounting to a printed circuit board.
Typical applications for J-Link BASE include test fixtures that are used to automate firmware verification during development, as well as long-term testing setups. It can also be used for integrated firmware reflashing or for service purposes in end equipment, minimizing the number of tools required by service technicians.
Price € 398,--
J-Link PLUS Classic
J-Link PLUS Classic is a USB powered JTAG debug probe supporting a large number of CPU cores.
Based on a 32-bit RISC CPU, it can communicate at high speed with the supported target CPUs. J-Link is used around the world in tens of thousand places for development and production (flash programming) purposes.
J-Link is supported by all major IDEs such as IAR EWARM, Keil MDK, Rowley CrossWorks, Atollic TrueSTUDIO, IAR EWRX, Renesas HEW, Renesas e2studio, and many others.
Including all models, more than 100,000 J-Links have been sold so far, making J-Link probably the most popular debug probe for ARM cores and the de-facto standard.
Price € 598,--
Features
- Comes with integrated licenses for: Unlimited breakpoints in flash memory (Unlimited Flash Breakpoints), RDI / RDDI and J-Flash
- Fully compatible to the standard J-Link
- Direct download into flash memory of most popular microcontrollers supported
- Supported CPUs: Any ARM7/9/11, Cortex-A5/A8/A9, Cortex-M0/M1/M3/M4/M7, Cortex-R4, Microchip PIC32 and Renesas RX100/RX200/ RX610/RX621/RX62N/RX62T/RX630/RX631/RX63N
- Download speed up to 1 MByte/second
- Maximum Target Interface Speed 15 MHz
- Supports unlimited breakpoints in flash memory! More info
- Setting breakpoints in external flash memory of Cortex-M systems is possible with
J-Link's Unlimited Flash Breakpoints technology only! - Supported by all major IDEs More info
- Free software updates2, 1 year of support
- Supports concurrent access to CPU by multiple applications3
- Crossplatform support (runs on Windows, Linux, Mac OS X)4
- Intelligence in the debug probe firmware More info
- Remote Server included. Allows using J-Link remotely via TCP/IP More info
- GDBServer included More info
- Production flash programming software (J-Flash) available More info
- Software Developer Kit (SDK) available More info
- Supports multiple target interfaces: JTAG, SWD
- Supports SWV/SWO (Serial Wire Viewer / Serial wire output)
- Wide target voltage range: 1.2V - 3.3V, 5V tolerant
- Supports JTAG chains with multiple devices
- Embedded Trace Buffer (ETB) support
- Various target adapters and optical isolation adapters available.
- RDI / RDDI interface DLL available. More info
- Fully plug and play compatible
- No power supply required, powered through USB
- Support for adaptive clocking
- All JTAG signals can be monitored, target voltage can be measured
- Target power supply: J-Link can supply up to 300 mA to target with overload protection
J-Link PLUS Compact
J-Link PLUS Compact is a USB powered JTAG debug probe supporting a large number of CPU cores.
Based on a 32-bit RISC CPU, it can communicate at high speed with the supported target CPUs. J-Link is used around the world in tens of thousand places for development and production (flash programming) purposes.
J-Link is supported by all major IDEs such as IAR EWARM, Keil MDK, Rowley CrossWorks, Atollic TrueSTUDIO, IAR EWRX, Renesas HEW, Renesas e2studio, and many others.
Including all models, more than 100,000 J-Links have been sold so far, making J-Link probably the most popular debug probe for ARM cores and the de-facto standard.
Proce € 598,--
Features
J-Link ULTRA
J-Link ULTRA is a JTAG/SWD debug probe designed for ARM/Cortex and other supported CPUs. It is fully compatible to the standard J-Link and works with the same PC software.
Based on the highly optimized and proven J-Link, it offers even higher speed as well as target power measurement capabilities due to the faster CPU, built-in FPGA and High speed USB interface.
It connects via USB to a PC running Microsoft Windows 2000, Windows XP, Windows 2003, Windows Vista or Windows 7. J-Link ULTRA has a built-in 20-pin JTAG/SWD connector and comes with licenses for Unlimited Flash Breakpoints, RDI / RDDI and J-Flash.
Price € 798,--
Features
- Comes with integrated licenses for: Unlimited breakpoints in flash memory (Unlimited Flash Breakpoints), RDI / RDDI and J-Flash
- Fully compatible to the standard J-Link
- Very high performance for all supported CPU cores
- Download speed up to 3 MByte/second
- Hi-Speed USB 2.0 interface
- Serial Wire Debug (SWD) supported
- Serial Wire Viewer (SWV) supported
- Maximum target interface speed 50 MHz
- Maximum SWO sampling speed 100 MHz
- Target power can be supplied
- Target power consumption can be measured with high accuracy.
- Direct download into flash memory of most popular microcontrollers supported
- Supported CPUs: Any ARM7/9/11, Cortex-A5/A8/A9, Cortex-M0/M1/M3/M4/M7, Cortex-R4, Microchip PIC32 and Renesas RX100/RX200/ RX6xx
- Free software updates, 2 years of support
- Seamless integration into the IAR Embedded Workbench IDE
- Automatic core recognition
- No power supply required, powered through USB
- Support for adaptive clocking
- All JTAG signals can be monitored, target voltage can be measured
- Support for multiple devices
- Fully plug and play compatible
- Wide target voltage range: 1.2V - 3.3V, 5V tolerant
- USB and 20-pin JTAG cable included
- Memory viewer (J-Mem) included
- Remote Server included, which allows using J-Link via TCP/IP networks
- RDI / RDDI interface available, which allows using J-Link with RDI / RDDI compliant software
- Flash programming software (J-Flash) available
- Flash DLL available, which allows using flash functionality in custom applications
- Software Developer Kit (SDK) available
- Embedded Trace Buffer (ETB) support
- Optical isolation adapter available
- Target power supply: J-Link can supply up to 300 mA to target with overload protection
By adding licenses for all J-Link related software packages to J-Link ULTRA, the developer receives access to an unlimited number of breakpoints in flash memory, production grade flash programming and compatibility with all popular tool-chains (click here for a list of all toolchains which come with native J-Link Support), GDB and RDI / RDDI based tool-chains for ARM and Renesas RX cores.
As with all J-Link models, the J-Link ULTRA comes with SEGGER’s ultra fast flash programming algorithms, allowing download into external CFI-compliant flashes as well as the internal flash of all common microcontrollers. Related software and firmware updates are free of charge.
J-Link PRO
There are many aspects which make the J-Link PRO very attractive to use:
- Speed
Up to 3 MByte/second download speed make J-Link PRO the fastest debug probe on the market. Using TCP/IP instead of USB eliminates latencies from USB usage, resulting in higher debugging speed. - Flexibility
Due to the Ethernet interface, long distances between the development PC and the target system are possible. You can set a default gateway for J-Link PRO, so it is also possible to use it in large intranets. - Security (Galvanic isolation)
Ethernet signal lines provide galvanic isolation of J-Link PRO (and so the target system) from network and development PC. For a complete isolation, shield of Ethernet cable should not be connected to RJ45 connector of J-Link PRO. - Price
Buying a J-Link PRO, which comes with licenses for all J-Link-related SEGGER software, will save you a lot of money because buying a J-Link and all licenses separate is more expensive.
Price € 998,--
Features
- Fully compatible to J-Link
- Ethernet interface
- USB 2.0 Hi-Speed interface
- Supported CPUs: Any ARM7/9/11, Cortex-A5/A8/A9, Cortex-M0/M1/M3/M4/M7, Cortex-R4/R5, Microchip PIC32 and Renesas RX100/RX200/RX610/ RX621/RX62N/RX62T/RX630/RX631/RX63N
- Free software updates1, 2 years of support
- Additional LEDs for power and RESET indication
- Comes with web interface for easy TCP/IP configuration (built-in webserver)
- Serial Wire Debug (SWD) supported
- Serial Wire Viewer (SWV) supported
- Automatic core recognition
- Maximum target interface speed 50 MHz
- Maximum SWO sampling speed 100 MHz
- Download speed up to 3 MByte/second
- Powered through USB or power supply (comes with J-Link PRO)
- Support for adaptive clocking
- All target interface signals can be monitored, target voltage can be measured
- Support for multiple devices
- Fully plug and play compatible
- Standard J-Link 20-pin target connector
- Wide target voltage range: 1.2V - 5V
- USB and 20-pin ribbon cable included
- Memory viewer (J-Mem) included
- Comes with licenses for: J-Link RDI / RDDI, J-Link Unlimited Flash Breakpoints, J-Link GDB Server, J-Flash
- Software Developer Kit (SDK) available
- Embedded Trace Buffer (ETB) support
- 14-pin JTAG adapter available
- Galvanic isolation from host system via Ethernet
- Optical isolation adapter available
- Target power supply: J-Link can supply up to 300 mA to target with overload protection.
Licensing
J-Link PRO comes with licenses for all J-Link related SEGGER software products:
J-Link Unlimited Flash Breakpoints,
J-Link RDI / RDDI,
J-Flash,
J-Link GDB Server,
providing the optimum debugging solution for professional developers. J-Link PRO can be used with almost all ARM debuggers, enabling download to flash memory with an unlimited number of breakpoints when debugging programs located in flash memory of most popular ARM microcontrollers. It also comes with the license to use J-Flash, SEGGER´s popular flash programming software.
1As 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.
J-Link PRO PoE
J-Link Pro PoE is SEGGER's specialized debug probe for test farms and supports all popular microcontrollers and microprocessors. It is powered over Ethernet and can simply switch power of the target boards via a USB port.
Price € 1.198,--
Product information: J-Link Pro PoE
Get the J-Link Pro PoE, the specialized high-end debug probe for test farms J-Link Pro PoE features a PoE-enabled Ethernet interface as an alternative to the USB connection, specifically to reduce the size of a cable harness in test farms. A USB port on the target side simplifies switching power of the target boards. Easily check hardware status thanks to two additional LEDs. Connects via Ethernet or USB to the host. Cross-platform, it runs on Windows, Linux, and macOS.
Further advantages
J-Link Pro PoE includes a web interface (web server) for easy TCP/IP configuration and integrated licenses for unlimited breakpoints in flash memory, RDI/RDDI & Flash. There is also built-in VCOM functionality, supporting a broad range of CPUs and microcontrollers.
J-Link debug probes are supported by all major IDEs. These include GDB-based IDEs, Visual Studio Code and SEGGER Embedded Studio. Take a look here to view the complete list of Supported IDEs.
Package content
- J-Link Pro PoE debug probe
- USB cable
- .1" 20-pin ribbon cable (18 cm)
Includes free software updates and 1 (one) year of Basic support. Beyond that, SEGGER's Extended Coverage gives you the option to extend hardware warranty and Basic support for one additional year (+12 months) or two additional years (+24 months). These options are only available at the time of purchase. Adding it at a later date is not possible.
For additional product information, please visit segger.com.
Price € 1.198,--
J-Link WiFi
J-Link WiFi is a fast and reliable debug probe with WLAN/WiFi interface. It supports all popular microcontrollers and microprocessors at high speed.
Price € 1.198,--
Product information: J-Link WiFi
Get the J-Link WiFi, a debug probe with Wifi interface. Communicates at high speed (up to 15MHz) with supported target CPUs. Need a wireless debug interface? Then J-Link WiFi is the perfect solution - for example if the target is moving or needs to be shielded from the environment. Powered by USB, it can easily connect to the same source of power as the target device J-Link debug probes are supported by all major IDEs. These include GDB-based IDEs, Visual Studio Code and SEGGER Embedded Studio. Take a look here to view the complete list of Supported IDEs.
With over 500,000 J-Link shipped so far, it is probably the most popular debug probe for ARM cores and the de-facto standard.
Further advantages
J-Link WiFi includes a web interface making for easy TCP/IP configuration (built-in webserver). There are also integrated licenses for unlimited breakpoints in flash memory, RDI/RDDI, and J-Flash. It additionally provides I-Link debugging for mobile applications as well as built-in VCOM functionality, supporting a broad range of microcontrollers & CPUs.
Package content
- J-Link WiFi debug probe
- USB cable
- .1" 20-pin ribbon cable (18 cm)
Package content
Includes free software updates and 1 (one) year of Basic support. Beyond that, SEGGER's Extended Coverage gives you the option to extend hardware warranty and Basic support for one additional year (+12 months) or two additional years (+24 months). These options are only available at the time of purchase. Adding it at a later date is not possible.
For additional product information, please visit segger.com.Price € 1.146,--