AT45DB321D datasheet(24/52 Pages) ETC2

24 / 52 page

AT45DB321D [DATASHEET]

3597T–DFLASH–11/2013

13.

Command Tables

Table 13-1. Read Commands

Command

Opcode

Table 13-2. Program and Erase Commands

Command

Opcode

Table 13-3. Protection and Security Commands

Command

Opcode

Main memory page read

D2H

Continuous array read (legacy command)

E8H

Continuous array read (low frequency)

03H

Continuous array read (high frequency)

0BH

Buffer 1 read (low frequency)

D1H

Buffer 2 read (low frequency)

D3H

Buffer 1 read

D4H

Buffer 2 read

D6H

Buffer 1 write

84H

Buffer 2 write

87H

Buffer 1 to main memory page program, with built-in erase

83H

Buffer 2 to main memory page program, with built-in erase

86H

Buffer 1 to main memory page program, without built-in erase

88H

Buffer 2 to main memory page program, without built-in erase

89H

Page erase

81H

Block erase

50H

Sector erase

7CH

Chip erase

C7H, 94H, 80H, 9AH

Main memory page program through buffer 1

82H

Main memory page program through buffer 2

85H

Enable sector protection

3DH + 2AH + 7FH + A9H

Disable sector protection

3DH + 2AH + 7FH + 9AH

Erase sector protection register

3DH + 2AH + 7FH + CFH

Program sector protection register

3DH + 2AH + 7FH + FCH

Read sector protection register

32H

Sector lockdown

3DH + 2AH + 7FH + 30H

Read sector lockdown register

35H

Program security register

9BH + 00H + 00H + 00H

Read security register

77H

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