Why it is not being used
lTechnical
limitations
•Can’t apply it to SoC’s due to their modularity
•Some IP-Cores have it, some don’t.
•JTAG is a
separate module, but still tightly coupled with the core
lBreaks the
standard
lBusiness and
policies
•Reluctant to change
•Don't see the need
•Own policies considered better than the standard