Hi Harishankkar! > After reading the JTAG code for Assabet I understand that once > the boundary scan interface is entered via extest function the whole board as > a whole becomes a slave of the JTAG controller. That is the core loses its > functionality and becomes dummy and the JTAG controller has the entire rights > for all the pins. Now I would like to know that whether it is possible to > control the core operations via JTAG? That is is it possible to read any > processor registers?
No. The Boundary scan interface doesn't have much to do with the core of the
processor. You can just control processor pins with it.
--
Regards
Abraham
Sushido, n.:
The way of the tuna.
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Abraham vd Merwe - 2d3D, Inc.
Device Driver Development, Outsourcing, Embedded Systems
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