J-Link ARM: Performance comparison

This section provides performance values of popular JTAG emulators for ARM cores in comparison with J-Link ARM.

Performance comparison

The following table lists performance values of popular JTAG emulators for download into RAM:

Product	Download speed
Abatron BDI2000	up to 340 Kbytes/s
Abatron BDI1000	up to 170 Kbytes/s
Amontec JTAGkey	up to 135 Kbytes/s
ARM RealView Multi-ICE	up to 130 Kbytes/s
Hitex Tantino	up to 130 Kbytes/s
Hitex Tanto	up to 400 Kbytes/s
Ronetix PEEDI	up to 409 Kbytes/s
Rowley CrossConnect for ARM	up to 200 Kbytes/s
Segger J-Link	up to 720 Kbytes/s

All download speeds are taken from specifications found on manufacturer's website on March 20, 2007. If different values have been found, the highest one has been used. Please note that the actual speed depends on various factors, such as JTAG, clock speed, host CPU core etc.

Measuring J-Link download speed

JLink.exe has been used to measure performance. The hardware consisted of:

PC with 2.6 GHz Pentium 4, running Win2K
USB 2.0 port
USB 2.0 hub
J-Link
Target with ARM7 running at 50 MHz

A screenshoot of JLink.exe after the measuresment has been performed.

Software download