AT45DB321D_07 datasheet(45/55 Pages) ATMEL

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AT45DB321D Datasheet(PDF) 45 Page - ATMEL Corporation

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3597H–DFLASH–02/07

AT45DB321D [Preliminary]

25. Auto Page Rewrite Flowchart

Figure 25-1. Algorithm for Programming or Reprogramming of the Entire Array Sequentially

Notes:

1. This type of algorithm is used for applications in which the entire array is programmed sequentially, filling the array page-by-

page.

2. A page can be written using either a Main Memory Page Program operation or a Buffer Write operation followed by a Buffer

to Main Memory Page Program operation.

3. The algorithm above shows the programming of a single page. The algorithm will be repeated sequentially for each page

within the entire array.

START

MAIN MEMORY PAGE PROGRAM

THROUGH BUFFER

(82H, 85H)

END

provide address

and data

BUFFER WRITE

(84H, 87H)

BUFFER TO MAIN

MEMORY PAGE PROGRAM

(83H, 86H)

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	AT45DB321	154Kb / 20P	32-Megabit 2.7-volt Only Serial DataFlash
	AT45DB321B	230Kb / 32P	32-megabit 2.7-volt Only DataFlash
	AT45DB321C	610Kb / 37P	32 MEGABIT 2.7 VOLT DATAFLASH
	AT45DB321C	632Kb / 40P	32-megabit 2.7 volt DataFlash
	AT45DB021D	1Mb / 52P	2-megabit 2.7-volt DataFlash
	AT45DB011D	1Mb / 52P	1-megabit 2.7-volt DataFlash
	AT25DF321	786Kb / 37P	32-megabit 2.7-volt Only Serial Firmware DataFlash Memory
	AT26DF321	590Kb / 35P	32-megabit 2.7-volt Only Serial Firmware DataFlash Memory
	AT45DB321D	1Mb / 54P	32-megabit 2.7-volt DataFlash
	AT45DB321D	1Mb / 57P	32-megabit 2.7-volt DataFlash

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