Rewritable ROM file device having read/write buffer access contr

Details Rewritable ROM file device having read/write buffer access contr Rewritable ROM file device having read/write buffer access contr

1995-11-02

1999-08-03

Chan, Eddie P.

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

36518529, G11C 1600

Patent

active

059338466

ABSTRACT:
A rewritable read only memory (ROM) file device having a special area storing a directory, a file allocation table, and a rewritable area. An access controller copies the content of the special area into a buffer by an initialization process. After the initialization process, the access controller converts subsequent access requests to the special area of the ROM file device into an access to the buffer. The access controller detects a termination of a use of the ROM file device and, in response, returns the data stored in the buffer to the device's special area.

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Markus Levy, "Series 2+ Flash Memory Card User's Manual" Nov. 1993, Intel, pp. 5-1 thru 5-24.

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