AT45DB321D
Table 15-3. Protection and Security Commands
Command
Opcode
3DH + 2AH + 7FH + A9H
3DH + 2AH + 7FH + 9AH
3DH + 2AH + 7FH + CFH
3DH + 2AH + 7FH + FCH
32H
Enable Sector Protection
Disable Sector Protection
Erase Sector Protection Register
Program Sector Protection Register
Read Sector Protection Register
Sector Lockdown
3DH + 2AH + 7FH + 30H
35H
Read Sector Lockdown Register
Program Security Register
Read Security Register
9BH + 00H + 00H + 00H
77H
Table 15-4. Additional Commands
Command
Opcode
53H
Main Memory Page to Buffer 1 Transfer
Main Memory Page to Buffer 2 Transfer
Main Memory Page to Buffer 1 Compare
Main Memory Page to Buffer 2 Compare
Auto Page Rewrite through Buffer 1
Auto Page Rewrite through Buffer 2
Deep Power-down
55H
60H
61H
58H
59H
B9H
ABH
D7H
9FH
Resume from Deep Power-down
Status Register Read
Manufacturer and Device ID Read
Table 15-5. Legacy Commands(1)
Command
Opcode
54H
Buffer 1 Read
Buffer 2 Read
56H
Main Memory Page Read
Continuous Array Read
Status Register Read
52H
68H
57H
Note:
1. These legacy commands are not recommended for new designs.
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3597N–DFLASH–04/09
ATMEL [ ATMEL ]
