Selecting erase method based on type of power supply for flash E

Details Selecting erase method based on type of power supply for flash E Selecting erase method based on type of power supply for flash E

1996-09-24

1999-08-03

Bragdon, Reginald G.

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

711156, G06F 1200

Patent

active

059338474

ABSTRACT:
A flash ROM has a plurality of blocks each consisting a data area and a management area. A first erasing method extracts a valid block from the flash ROM, moves the contents of the block, and erases the block. A second erasing method extracts valid storage blocks, moves the contents of the blocks to a random access memory, and erases the blocks. The first or second erasing method is selected based on the type of power supply of the apparatus into which the flash ROM is incorporated.

REFERENCES:
patent: 4837628 (1989-06-01), Sasaki
patent: 5404485 (1995-04-01), Ban
patent: 5485595 (1996-01-01), Assar et al.
patent: 5544356 (1996-08-01), Robinson et al.
Dipert, Brian and Markus Levy, "Designing with Flash Memory", Annabooks, Apr. 1994, pp. 65-67, 187-188, 201, and 227-228, Apr. 1994.

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