Abstract:
It is described a system (1) for performing the test of a digital circuit (2). The system comprises a controller (3) configured for executing the test of the digital circuit, comprises a memory (14) configured for storing a status value of the digital circuit, comprises a state machine (6) configured for controlling, before the execution of the test, the storage into the memory of the status value of the digital circuit and configured for controlling, after the execution of the test, the restore into the digital circuit of the status value stored into the memory.
Abstract:
An electrical interconnection integrated device is described, comprising: a plurality of electrical terminals (16-26) connectable to an integrated electronic circuit (400) on a chip common to said interconnection device; at least an inside electrical device (43;33;34) provided with a respective input connected to a first terminal (18;24;25) of said plurality and a respective output (57;62;63); a fault detecting logic module (50) having a first input (57;62;63) connected to said output of the inner electrical device (43;33;34) and provided with a detecting terminal for supplying a fault detecting signal (ipp_xor).