SEGGER J-Links are the most widely used line of debug probes available today. They've proven their worth for more than 10 years with over 450,000 units sold. This popularity stems from the unparalleled performance, extensive feature set, large number of supported CPUs, and compatibility with all popular development environments.
With up to 3 MBytes/s download speed to RAM and record breaking flashloaders, as well as the ability to set an unlimited number of breakpoints in flash memory of MCUs, the J-Link debug probes are undoubtedly the best choice to optimize your debugging and flash programming experience.
J-Link debug probes support all ARM 7/9/11, Cortex™, Microchip PIC32™, Renesas RX™ CPUs and are supported by all major IDEs such as Keil MDK-ARM, GDB-based IDEs and SEGGER Embedded Studio.