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SEGGER Microcontroller GmbH

SEGGER J-Link PLUS Compact (8.19.28)

SEGGER J-Link PLUS Compact (8.19.28)

The JTAG/SWD debug probe with USB interface

SKU: 8.19.28

Regular price
£738.00 inc VAT
£615.00 exc VAT
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£615.00 exc VAT
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Key Features

Compact, Mountable Form Factor
USB-C, USB-Powered
15 MHz JTAG/SWD Interface
30 MHz SWO Sampling
Unlimited Flash Breakpoints
Built-In Virtual COM (UART) Bridge
Broad IDE & Device Support

Overview

Upgrade your development and end-user equipment with the cutting-edge J-Link PLUS Compact debug probe - now available in a compact version!

Unobtrusive Mounting and High-Speed Communication

The J-Link PLUS Compact debug probe mounts securely and unobtrusively into your equipment, ensuring seamless integration. Powered by a 32-bit RISC CPU, it establishes high-speed communication with supported target CPUs, enabling swift and efficient debugging.

Versatile Placement Options

Thanks to its small size and two mounting holes, the J-Link PLUS Compact can effortlessly fit into existing equipment housings. For even greater convenience, you can reserve space for direct-to-PCB mounting, ensuring a tidy and efficient setup.

Universal IDE Compatibility

No need to worry about compatibility issues - the J-Link debug probes are supported by all major IDEs, including Eclipse and GDB-based IDEs, as well as SEGGER Embedded Studio. With over 500,000 units already shipped, it's no surprise that the J-Link PLUS Compact is the most popular debug probe on the market for ARM cores, establishing itself as the de-facto standard.

Unbeatable Advantages

Experience the added advantages of the J-Link PLUS Compact. It comes with a built-in VCOM functionality and integrated licenses for unlimited breakpoints in flash memory, RDI/RDDI, and J-Flash. Enjoy hassle-free direct downloads into RAM and flash memory, and benefit from extensive support for a wide range of microcontrollers and CPUs.

Upgrade your debugging capabilities today with the J-Link PLUS Compact debug probe. Unleash the true potential of your development process and take a step towards efficiency and productivity like never before.

Proven, Multi-Vendor Workflow

Consistent GDB/IDE integration, VCOM and SWO across diverse ARM MCU families streamlines lab, fixture and field workflows with one tool.

Fixture-Ready Hardware

Compact, mountable enclosure with USB-C simplifies secure installation in automated test rigs and service enclosures with minimal cabling.

Productivity in Flash

Unlimited Flash Breakpoints and robust SWO reduce iteration time when debugging flash-resident code and timing issues on real hardware.

Overview

The SEGGER J-Link PLUS Compact (SKU 8.19.28) is a USB-powered JTAG/SWD debug probe in a small, mountable enclosure with USB-C. It offers the same functionality as the J-Link PLUS Classic, providing up to 15 MHz target interface clocking and SWO sampling up to 30 MHz via the standard 20-pin 0.1″ header. The J-Link Software and Documentation Pack includes GDB Server integration for major IDEs, the Ozone debugger and J-Flash for production-grade flash programming. A built-in Virtual COM (VCOM) bridge exposes a target UART to the host for logging and CLI access.

Part of the J-Link Family

If you need higher interface speeds, see J-Link ULTRA+. For Ethernet and test farms, see J-Link PRO. For entry-level use, consider J-Link BASE Compact. Adapters are available for compact headers, e.g. the 9-Pin Cortex-M Adapter.

Why Consider This Model?

The PLUS Compact balances performance, broad device/IDE support and a space-saving form factor that’s easy to secure inside fixtures or service kits. It is a practical, long-lived choice for multi-vendor ARM projects where consistent tooling, SWO visibility and dependable flash programming matter.

Frequently Asked Questions

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  • Is there galvanic isolation?

    Not in PLUS Compact by default. You can add an isolator accessory if required (see Debugger Accessories).

  • What CPUs are supported?

    ARM Cortex-M/R/A and many legacy ARM cores; also Renesas RX and Microchip PIC32 families via J-Link device support.

  • Can I use it for production flashing?

    Yes - J-Flash (included) supports production-grade programming. For high-volume, SEGGER Flasher units may be preferable; ask Debug Store for guidance.

  • How fast is the interface clock?

    Up to 15 MHz JTAG/SWD; SWO sampling up to 30 MHz for trace/printf-style logging.

  • What target connector does it use?

    Standard 20-pin 0.1″. For compact headers use adapters such as the 9-pin Cortex-M.

  • Does it support my IDE?

    J-Link works with major IDEs (GDB-based and vendor IDEs). If you require Ethernet for remote farms, consider the J-Link Pro..

  • Is PLUS Compact functionally different from PLUS Classic?

    No—functionality is the same; Compact adds a smaller, mountable enclosure and USB-C. For higher speeds consider the J-LinkPlus Ultra..

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