Command tables – Rainbow Electronics AT45DB021D User Manual
Page 24
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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