phutanesv said:dear Dude,
Boundary scan circuitry can result in a complex environment for the internal scan structure and the ATPG process.
The two main issues with
boundary scan circuitry are 1) connecting the boundary scan circuitry with the internal scancircuitry, and
2) ensuring that the boundary scan circuitry is set up properly during ATPG.
To connect this boundary scan circuitry we make use of JTAG
Still many things to explain, but its lenghty
Phutane