Arrangements having security protection

Details Arrangements having security protection Arrangements having security protection

2007-02-06

2008-10-28

Peugh, Brian R (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S206000

Reexamination Certificate

active

07444487

ABSTRACT:
Access control unit sends to the access judging unit an access judging check request signal asking whether the requested address falls within one of the access-permitted areas registered in the access judging unit, the access judging unit checks whether the requested address falls within one of the access-permitted areas registered in it and returns to the access control unit an access judging check result signal indicating whether the access request is to be honored or rejected, and the access control unit permits access to the internal bus if the access judging check result signal indicates that the access request is to be honored, or rejects the access request otherwise.

REFERENCES:
patent: 6330648 (2001-12-01), Wambach et al.
patent: 6397301 (2002-05-01), Quach et al.
patent: 7043615 (2006-05-01), Kobayashi et al.
patent: 2002/0018384 (2002-02-01), Sumitani et al.
patent: 2002/0083275 (2002-06-01), Kawamoto et al.

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