Permanent memory block protection in a flash memory device

Details Permanent memory block protection in a flash memory device Permanent memory block protection in a flash memory device

2005-09-20

2005-09-20

Elmore, Stephen C. (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S103000, C711S154000, C711S156000, C235S382000, C365S195000

Reexamination Certificate

active

06948041

ABSTRACT:
A secure command is entered into a Flash memory device. A control data word is written to the memory device to specify which blocks of memory are to be permanently secured against write and erase operations. The bits of the control data word specify different blocks of memory to be permanently secured.

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