{"title":"SEGGER J-Link — Industry-Leading JTAG\/SWD Debug Probes \u0026 Programmers","description":"\u003cp\u003e\u003cspan\u003eSEGGER J-Link debug probes are the most widely used JTAG and SWD debug tools in the embedded industry, trusted by engineers worldwide for over a decade. \u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"J-Link debug probes - SEGGER\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.segger.com\/products\/debug-probes\/j-link\/\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e They offer download speeds of up to 4MB\/s into RAM and flash, unlimited hardware breakpoints in flash memory, and free software and firmware updates with no hidden licensing costs. \u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"inline-flex\" aria-label=\"SEGGER J-Link debug probes and Flasher programming tools ...\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.segger.com\/news\/pr-250212-j-link-flasher-st-stellar\/\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e The J-Link range includes models from the entry-level EDU and BASE through to the professional J-Link PLUS and ULTRA+, covering ARM Cortex, RISC-V, Renesas RX, and many other core architectures. \u003cbr\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003eSEGGER J-Link debug probes are compatible with a wide range of ARM Cortex-M, Cortex-A, Cortex-R, RISC-V, and other supported microcontrollers, making them a popular choice for firmware programming and debugging applications. From entry-level development to advanced real-time trace analysis, the SEGGER J-Link range provides high-speed debugging solutions for professional engineers, electronics developers, and embedded systems manufacturers worldwide. Explore the range below to find the right SEGGER J-Link debug probe for your embedded development and programming requirements.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"segger-j-link-pro-debugger-programmer-8-12-00","title":"SEGGER J-Link PRO – Ultra-Fast Ethernet\/USB Debug Probe","description":"\u003csection class=\"product-rich\"\u003e \u003ch2\u003eProfessional JTAG\/SWD Debug Probe with Dual Interface Connectivity\u003c\/h2\u003e\n\u003cp\u003eThe SEGGER J-Link PRO is a high-performance debug probe that combines USB and Ethernet interfaces for maximum flexibility in embedded development. With download speeds up to 4 MB\/s and support for remote debugging via Ethernet, this probe is ideal for professional development environments and test farms.\u003c\/p\u003e\n\u003cdiv class=\"aside\"\u003e \u003ch3\u003eKey Technical Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDual Interface:\u003c\/strong\u003e USB 2.0 Hi-Speed and 100 Mbit\/s Ethernet\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTarget Interface:\u003c\/strong\u003e JTAG\/SWD 20-pin standard connector\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDownload Speed:\u003c\/strong\u003e Up to 4 MB\/s via Ethernet, 3 MB\/s via USB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTarget Voltage:\u003c\/strong\u003e 1.2V to 5V with automatic level detection\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e\n\u003ch3\u003eWiring Quick-Start\u003c\/h3\u003e\n\u003cdiv class=\"tbl\"\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eSignal\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eVTRef\u003c\/td\u003e\n\u003ctd\u003eTarget voltage reference (1.2V-5V)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003ctd\u003eNot connected\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003enRST\u003c\/td\u003e\n\u003ctd\u003eTarget reset (open drain)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eTDI\u003c\/td\u003e\n\u003ctd\u003eJTAG data input\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eTMS\/SWDIO\u003c\/td\u003e\n\u003ctd\u003eTest mode select \/ SWD data I\/O\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eTCK\/SWCLK\u003c\/td\u003e\n\u003ctd\u003eTest clock \/ SWD clock\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003eTDO\/SWO\u003c\/td\u003e\n\u003ctd\u003eJTAG data output \/ SWD trace output\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003enSRST\u003c\/td\u003e\n\u003ctd\u003eSystem reset (optional)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003eTarget power supply (max 300mA)\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003e4,6,8,10,12,14,16,18,20\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround connections\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e\n\u003ch3\u003eEthernet Configuration\u003c\/h3\u003e\n\u003cp\u003eThe J-Link PRO supports DHCP by default and includes a built-in web server for easy network configuration. Access the configuration interface by connecting to the device's IP address in any web browser.\u003c\/p\u003e\n\u003cdiv class=\"spec-note\"\u003e \u003cstrong\u003eNetwork Requirements:\u003c\/strong\u003e Standard Ethernet network with DHCP server. Static IP configuration available via web interface or J-Link Configurator. \u003c\/div\u003e\n\u003cdiv class=\"imgph\"\u003e [Placeholder: J-Link PRO Ethernet connection diagram showing network setup] \u003c\/div\u003e\n\u003ch3\u003eSoftware Integration\u003c\/h3\u003e\n\u003cp\u003eCompatible with all major IDEs including SEGGER Embedded Studio, Keil µVision, IAR EWARM, Eclipse-based environments, and command-line tools via GDB Server. Includes licenses for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUnlimited Flash Breakpoints\u003c\/li\u003e \u003cli\u003eSEGGER Ozone debugger\u003c\/li\u003e \u003cli\u003eJ-Flash programming software\u003c\/li\u003e \u003cli\u003eReal-Time Transfer (RTT) technology\u003c\/li\u003e \u003c\/ul\u003e\n\u003cpre\u003e\u003ccode\u003e\/\/ Example RTT output setup #include \"SEGGER_RTT.h\" void debug_output(void) { SEGGER_RTT_WriteString(0, \"Debug message via RTT\\n\"); }\u003c\/code\u003e\u003c\/pre\u003e\u003c\/section\u003e","brand":"SEGGER Microcontroller GmbH","offers":[{"title":"Default Title","offer_id":44263171948767,"sku":"8.12.00","price":1100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/6931\/8333\/files\/segger-microcontroller-gmbh-8-12-00-40189792583903.jpg?v=1688907179"},{"product_id":"segger-j-link-ultra-plus-8-16-28","title":"SEGGER J-Link ULTRA+ Ultra-Fast JTAG\/SWD Debug Probe","description":"","brand":"SEGGER Microcontroller GmbH","offers":[{"title":"Default Title","offer_id":44263171981535,"sku":"8.16.28","price":870.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/6931\/8333\/files\/segger-microcontroller-gmbh-8-16-28-segger-j-link-ultra-debug-flash-probe-8-16-28-72648636039543.png?v=1736472523"},{"product_id":"segger-j-link-wifi-8-14-28","title":"SEGGER J-Link WiFi Wireless Debug Probe (8.14.28)","description":"\u003csection class=\"product-rich\"\u003e \u003ch2\u003eProfessional Wireless Debugging for Mobile Applications\u003c\/h2\u003e \u003cp\u003eThe J-Link WiFi represents a breakthrough in embedded debugging technology, combining SEGGER's industry-leading debug capabilities with wireless connectivity. This JTAG\/SWD debug probe operates at speeds up to 15MHz, delivering professional-grade debugging performance through a stable WiFi interface.\u003c\/p\u003e \u003ch3\u003eWireless Freedom for Modern Development\u003c\/h3\u003e \u003cp\u003eEliminate the constraints of physical connections when debugging mobile applications, robotic systems, or embedded devices that require movement during testing. The J-Link WiFi enables remote debugging scenarios previously impossible with traditional wired probes.\u003c\/p\u003e \u003cdiv class=\"aside\"\u003e \u003cstrong\u003eKey Applications:\u003c\/strong\u003e Mobile robotics, IoT devices in hazardous environments, rotating machinery, and any application where physical cable connections prove impractical or dangerous. \u003c\/div\u003e \u003ch3\u003eWiring Quick-Start\u003c\/h3\u003e \u003cp\u003eConnect your target system using the standard 20-pin JTAG\/SWD interface:\u003c\/p\u003e \u003ctable class=\"tbl\"\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003ePin\u003c\/th\u003e \u003cth\u003eSignal\u003c\/th\u003e \u003cth\u003eDescription\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e1\u003c\/td\u003e \u003ctd\u003eVTref\u003c\/td\u003e \u003ctd\u003eTarget reference voltage (1.2V - 5V)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e7\u003c\/td\u003e \u003ctd\u003eSWDIO\u003c\/td\u003e \u003ctd\u003eSerial Wire Data I\/O (bidirectional)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e9\u003c\/td\u003e \u003ctd\u003eSWCLK\u003c\/td\u003e \u003ctd\u003eSerial Wire Clock\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e13\u003c\/td\u003e \u003ctd\u003eSWO\u003c\/td\u003e \u003ctd\u003eSerial Wire Output (trace data)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e15\u003c\/td\u003e \u003ctd\u003enRESET\u003c\/td\u003e \u003ctd\u003eTarget reset (active low)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e19\u003c\/td\u003e \u003ctd\u003e5V Supply\u003c\/td\u003e \u003ctd\u003eTarget power (max 300mA)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp class=\"spec-note\"\u003eEven-numbered pins (2, 4, 6, 8, 10, 12, 14, 16, 18, 20) connect to ground.\u003c\/p\u003e \u003ch3\u003eNetwork Configuration\u003c\/h3\u003e \u003cp\u003eThe J-Link WiFi includes a built-in web server for easy network configuration. Connect via USB initially to configure WiFi settings through the web interface at the device's IP address.\u003c\/p\u003e \u003cpre\u003e\u003ccode\u003e\/\/ Example GDB connection via WiFi target remote 192.168.1.100:2331 monitor reset load continue\u003c\/code\u003e\u003c\/pre\u003e \u003ch3\u003eProfessional Software Suite\u003c\/h3\u003e \u003cp\u003eIncludes comprehensive licenses for:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eUnlimited Flash Breakpoints\u003c\/li\u003e \u003cli\u003eJ-Flash programming software\u003c\/li\u003e \u003cli\u003eOzone graphical debugger\u003c\/li\u003e \u003cli\u003eRDI\/RDDI interfaces\u003c\/li\u003e \u003cli\u003eGDB Server\u003c\/li\u003e \u003c\/ul\u003e \u003c\/section\u003e","brand":"SEGGER Microcontroller GmbH","offers":[{"title":"Default Title","offer_id":44263172014303,"sku":"8.14.28","price":1100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/6931\/8333\/files\/segger-microcontroller-gmbh-8-14-28-segger-j-link-wifi-8-14-28-42714466615519.png?v=1722900000"},{"product_id":"segger-8-02-28-j-link-plus-classic-debugger","title":"SEGGER J-Link PLUS Classic – USB JTAG\/SWD Debug Probe","description":"","brand":"SEGGER Microcontroller GmbH","offers":[{"title":"Default Title","offer_id":44263172047071,"sku":"8.08.28","price":660.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/6931\/8333\/files\/segger-microcontroller-gmbh-8-08-28-40212526891231.jpg?v=1689509114"},{"product_id":"segger-8-08-00-j-link-base-classic","title":"SEGGER J-Link BASE Classic USB JTAG\/SWD Debug Probe","description":"","brand":"SEGGER Microcontroller GmbH","offers":[{"title":"Default Title","offer_id":44263172079839,"sku":"8.08.00","price":470.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/6931\/8333\/files\/segger-microcontroller-gmbh-8-08-00-40212524663007.jpg?v=1689508389"},{"product_id":"segger-8-19-00-j-link-base-compact-debugger","title":"SEGGER J-Link BASE Compact Debug Probe","description":"","brand":"SEGGER Microcontroller GmbH","offers":[{"title":"Default Title","offer_id":44263172145375,"sku":"8.19.00","price":470.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/6931\/8333\/files\/segger-microcontroller-gmbh-8-19-00-40212528234719.jpg?v=1689509458"},{"product_id":"segger-8-12-28-j-link-pro-poe-debugger-uk","title":"SEGGER J-Link Pro PoE Debug Probe","description":"","brand":"SEGGER Microcontroller GmbH","offers":[{"title":"Default Title","offer_id":44504770150623,"sku":"8.12.28","price":1320.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/6931\/8333\/files\/segger-microcontroller-gmbh-8-12-28-j-link-pro-poe-debugger-segger-debug-store-uk-40759343874271.jpg?v=1699530961"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/6931\/8333\/collections\/tr-segger-j-link-compact-base_efb08532-6f3b-4104-927b-9c737ead0d38.png?v=1779191732","url":"https:\/\/thedebugstore.com\/collections\/segger-j-link-debug-probes.oembed","provider":"Debug Store","version":"1.0","type":"link"}