interoperability of JTAG from diff vendors?

nobody wrote on Tuesday, December 05, 2006:

Hi all,

I am confused about the JTAG interoperabilty issues.

Lets say I want to use a JTAG debugger h/w from Raisonance with IAR-EW. Is it possible to do so?

Is the JTAG interface fully standardized untill the uppermost layers so that full interoperability is available?

thanks in advance