Patent ID: 7089468
Filing Date: 2006-08-08
Classification: G01R

Abstract:
1. A program-controlled unit, comprising: a plurality of elements configured to selectively change a state thereof during program execution and to be connected to form one or more scan chains; wherein the program-controlled unit, in response to a predetermined event detected during program execution, is configured to change into a state in which selected ones or all of said plurality of elements are no longer able to change the state thereof, to subsequently connect the selected ones or all of said plurality of elements to one of more scan chains, and to read a content of the scan chains; and an interface suitable for at least one of configuring and controlling parts of the program-controlled unit provided for identifying and/or analyzing errors that have occurred in the program-controlled unit from outside the program-controlled unit, said interface being configured to effect a connection of said elements to form a scan chain, and also to read from and write to the scan chain.