Rainbow Electronics AT45DB021D - Manual (Page 24)

24
3638K–DFLASH–11/2012
AT45DB021D
13. Command Tables
Table 13-1. Read Commands
Table 13-2. Program and Erase Commands
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 Read (Low Frequency) D1H
Buffer Read D4H
Command Opcode
Buffer Write 84H
Buffer to Main Memory Page Program with Built-in Erase 83H
Buffer to Main Memory Page Program without Built-in Erase 88H
Page Erase 81H
Block Erase 50H
Sector Erase 7CH
Chip Erase 7CH, 94H, 80H, 9AH
Main Memory Page Program through Buffer 82H
Command Opcode
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