A processing apparatus including an internal circuit having a CPU and internal devices and an external circuit including external devices provided externally of the internal circuit, and the like, and is aimed to prevent illicit access and reverse engineering. The internal circuit including a CPU, internal...http://www.google.es/patents/US7657758?utm_source=gb-gplus-sharePatente US7657758 - Processing apparatus and integrated circuit to prevent illicit access and reverse engineering
Processing apparatus and integrated circuit to prevent illicit access and ...
