Circuits, systems, and methods for uniquely identifying a microp

Details Circuits, systems, and methods for uniquely identifying a microp Circuits, systems, and methods for uniquely identifying a microp

1997-03-07

2000-05-16

Ellis, Richard L.

Electrical computers and digital processing systems: processing

Processing control

Specialized instruction processing in support of testing,...

G06F 900

Patent

active

06065113&

ABSTRACT:
In a method embodiment (10), the method operates a microprocessor (110), and the microprocessor has an instruction set. The method first (11) stores an identifier code uniquely identifying the particular microprocessor in a one-time programmable register. The method second (12) issues to the microprocessor an identifier request instruction from the instruction set. The method then, and in response to the identifier request instruction, provides (18) from the microprocessor an identifier code. Other circuits, systems, and methods are also disclosed and claimed.

REFERENCES:
patent: 5671435 (1997-09-01), Alpert
patent: 5732207 (1998-03-01), Allen et al.
patent: 5774544 (1998-06-01), Lee et al.
patent: 5790663 (1998-08-01), Lee et al.
patent: 5794066 (1998-08-01), Dreyer et al.
Intel, Pentium Pro Family Developer's Manual, vol. 2: Programmer's Reference Manual, Dec., 1995, pp. 11-73 to 11-79.

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