at45db021d-ssh-sl955 ATMEL Corporation, at45db021d-ssh-sl955 Datasheet - Page 29

• Manufacturer Part Number: at45db021d-ssh-sl955
• Description: 2-megabit 2.7-volt Minimum Dataflash
• Manufacturer: ATMEL Corporation

3638F–DFLASH–4/08
Table 15-3.
Table 15-4.
Table 15-5.
Note:
Command
Enable Sector Protection
Disable Sector Protection
Erase Sector Protection Register
Program Sector Protection Register
Read Sector Protection Register
Sector Lockdown
Read Sector Lockdown Register
Program Security Register
Read Security Register
Command
Main Memory Page to Buffer Transfer
Main Memory Page to Buffer Compare
Auto Page Rewrite through Buffer
Deep Power-down
Resume from Deep Power-down
Status Register Read
Manufacturer and Device ID Read
Command
Buffer Read
Main Memory Page Read
Continuous Array Read
Status Register Read
1. These legacy commands are not recommended for new designs.
Protection and Security Commands
Additional Commands
Legacy Commands
(1)
3DH + 2AH + 7FH + CFH
3DH + 2AH + 7FH + FCH
3DH + 2AH + 7FH + A9H
3DH + 2AH + 7FH + 9AH
3DH + 2AH + 7FH + 30H
9BH + 00H + 00H + 00H
AT45DB021D
Opcode
Opcode
Opcode
ABH
B9H
D7H
9FH
32H
35H
77H
53H
60H
58H
54H
52H
68H
57H
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