AT45DB081D_09 datasheet(21/54 Pages) ATMEL

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AT45DB081D Datasheet(PDF) 21 Page - ATMEL Corporation

Part #	AT45DB081D

Description	8-megabit 2.5-volt or 2.7-volt DataFlash

Download	54 Pages

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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21 / 54 page

3596L–DFLASH–04/09

AT45DB081D

10.2.2

Reading the Security Register

The Security Register can be read by first asserting the CS pin and then clocking in an opcode

of 77H followed by three dummy bytes. After the last don’t care bit has been clocked in, the con-

tent of the Security Register can be clocked out on the SO pin. After the last byte of the Security

being output on the SO pins.

Deasserting the CS pin will terminate the Read Security Register operation and put the SO pin

into a high-impedance state.

Figure 10-4. Read Security Register

Opcode

Data Byte

n + 1

Data Byte

n + x

Each transition

represents 8 bits

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	AT45DB081D	1Mb / 53P	8-megabit 2.5-volt or 2.7-volt DataFlash
ATMEL Corporation	AT45DB081D	1Mb / 53P	8-megabit 2.5-volt or 2.7-volt DataFlash

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	AT45DB081D	1Mb / 53P	8-megabit 2.5-volt or 2.7-volt DataFlash
ATMEL Corporation	AT45DB081D	1Mb / 53P	8-megabit 2.5-volt or 2.7-volt DataFlash
List of Unclassifed Man...	AT45DB041D	1Mb / 53P	4-megabit 2.5-volt or 2.7-volt DataFlash
ATMEL Corporation	AT45DB041D	1Mb / 53P	4-megabit 2.5-volt or 2.7-volt DataFlash
	AT45DB041B	512Kb / 35P	4-megabit 2.5-volt or 2.7-volt DataFlash
	AT45DB161D	1Mb / 53P	16-megabit 2.5-volt or 2.7-volt DataFlash
	AT45DB041D	1Mb / 53P	4-megabit 2.5-volt or 2.7-volt DataFlash
	AT45DB161D	1Mb / 56P	16-megabit 2.5-volt or 2.7-volt DataFlash
	AT45DB081B	414Kb / 32P	8-megabit 2.5-volt Only or 2.7-volt Only DataFlash
	AT45DB081B	530Kb / 33P	8-megabit 2.5-volt Only or 2.7-volt Only DataFlash

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