Unlimited Flash Breakpoints for SEGGER J-Link are now freely available for evaluation and non-commercial use.
The SEGGER J-Link is the industry-standard for JTAG/SWD emulators, supported by all major tool chains for ARM cores. It connects via USB to a PC, and is fully plug-and-play compatible. J-Link uses the standard 20-pin connector defined by ARM, supports multicore debugging and allows download speeds of up to 720 kB/s. The SEGGER J-Link is independent and will work with IDEs from Freescale, IAR, KEIL, Mentor Graphics, Rowley, Renesas, Tasking, Phyton and others.