Owner's manual

AT45DB011B

1984E–DFLSH–10/02

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).

Table 1. Read Commands

Command SCK Mode Opcode

Continuous Array Read

Inactive Clock Polarity Low or High 68H

SPI Mode 0 or 3 E8H

Main Memory Page Read

Inactive Clock Polarity Low or High 52H

SPI Mode 0 or 3 D2H

Buffer Read

Inactive Clock Polarity Low or High 54H

SPI Mode 0 or 3 D4H

Status Register Read

Inactive Clock Polarity Low or High 57H

SPI Mode 0 or 3 D7H

Table 2. Program and Erase Commands

Command SCK Mode Opcode

Buffer Write Any 84H

Buffer to Main Memory Page Program with Built-in Erase Any 83H

Buffer to Main Memory Page Program without Built-in Erase Any 88H

Page Erase Any 81H

Block Erase Any 50H

Main Memory Page Program through Buffer Any 82H

Table 3. Additional Commands

Command SCK Mode Opcode

Main Memory Page to Buffer Transfer Any 53H

Main Memory Page to Buffer Compare Any 60H

Auto Page Rewrite through Buffer Any 58H