Rainbow Electronics AT45DB021E - Manual (Page 39)

39 AT45DB021E [PRELIMINARY DATASHEET]
8789B–DFLASH–11/2012
Table 15-3. Protection and Security Commands
Table 15-4. Additional Commands
Table 15-5. Legacy Commands (1)
Note: 1. Legacy commands are not recommended for new designs.
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
Freeze Sector Lockdown 34h + 55h + AAh + 40h
Program Security Register 9Bh + 00h + 00h + 00h
Read Security Register 77h
Command Opcode
Main Memory Page to Buffer Transfer 53h
Main Memory Page to Buffer Compare 60h
Auto Page Rewrite or Read Modify Write through Buffer 58h
Deep Power-Down B9h
Resume from Deep Power-Down ABh
Ultra-Deep Power-Down 79h
Status Register Read D7h
Manufacturer and Device ID Read 9Fh
Configure “Power of 2” (Binary) Page Size 3Dh + 2Ah + 80h + A6h
Configure Standard DataFlash Page Size 3Dh + 2Ah + 80h + A7h
Software Reset F0h + 00h + 00h + 00h
Command Opcode
Buffer Read 54H
Main Memory Page Read 52H
Continuous Array Read 68H
Status Register Read 57H