AT45DB011B(2004) View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT45DB011B
(Rev.:2004)

1-megabit 2.7-volt Only DataFlash®

Atmel Corporation 

AT45DB011B

Table 1. Read Commands

Command

Continuous Array Read

Main Memory Page Read

Buffer Read

Status Register Read

SCK Mode

Inactive Clock Polarity Low or High

SPI Mode 0 or 3

Inactive Clock Polarity Low or High

SPI Mode 0 or 3

Inactive Clock Polarity Low or High

SPI Mode 0 or 3

Inactive Clock Polarity Low or High

SPI Mode 0 or 3

Opcode

68H

E8H

52H

D2H

54H

D4H

57H

D7H

Table 2. Program and Erase Commands

Command

Buffer Write

Buffer to Main Memory Page Program with Built-in Erase

Buffer to Main Memory Page Program without Built-in Erase

Page Erase

Block Erase

Main Memory Page Program through Buffer

SCK Mode

Any

Any

Any

Any

Any

Any

Opcode

84H

83H

88H

81H

50H

82H

Table 3. Additional Commands

Command

Main Memory Page to Buffer Transfer

Main Memory Page to Buffer Compare

Auto Page Rewrite through Buffer

SCK Mode

Any

Any

Any

Opcode

53H

60H

58H

Note: In Tables 2 and 3, an SCK mode designation of “Any” denotes any one of the four modes of operation (Inactive Clock Polarity

Low, Inactive Clock Polarity High, SPI Mode 0, or SPI Mode 3).

11

1984H–DFLSH–10/04

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