Contents
Contents
1.0 Introduction....................................................................................................................................7
1.1
1.2
1.3
Document Purpose...............................................................................................................7
Nomenclature .......................................................................................................................7
Conventions..........................................................................................................................7
2.0 Device Description ........................................................................................................................8
2.1
2.2
2.3
2.4
2.5
Product Overview .................................................................................................................8
Ballout Diagram ....................................................................................................................8
Signal Descriptions .............................................................................................................13
Block Diagram ....................................................................................................................14
Memory Map.......................................................................................................................15
3.0 Device Operations.......................................................................................................................17
3.1
Bus Operations ...................................................................................................................17
3.1.1 Read ......................................................................................................................17
3.1.2 Write ......................................................................................................................17
3.1.3 Output Disable .......................................................................................................17
3.1.4 Standby..................................................................................................................18
3.1.5 Reset .....................................................................................................................18
4.0 Modes of Operation.....................................................................................................................19
4.1
Read Mode .........................................................................................................................19
4.1.1 Read Array.............................................................................................................19
4.1.2 Read Identifier .......................................................................................................19
4.1.3 CFI Query ..............................................................................................................20
4.1.4 Read Status Register.............................................................................................20
4.1.4.1 Clear Status Register.............................................................................21
Program Mode ....................................................................................................................21
4.2.1 12-Volt Production Programming...........................................................................21
4.2.2 Suspending and Resuming Program.....................................................................22
Erase Mode ........................................................................................................................22
4.3.1 Suspending and Resuming Erase .........................................................................23
4.2
4.3
5.0 Security Modes ............................................................................................................................27
5.1
Flexible Block Locking ........................................................................................................27
5.1.1 Locking Operation..................................................................................................28
5.1.1.1 Locked State ..........................................................................................28
5.1.1.2 Unlocked State.......................................................................................28
5.1.1.3 Lock-Down State....................................................................................28
Reading Block-Lock Status.................................................................................................28
Locking Operations during Erase Suspend ........................................................................29
Status Register Error Checking ..........................................................................................29
128-Bit Protection Register.................................................................................................29
5.5.1 Reading the Protection Register............................................................................30
5.5.2 Programming the Protection Register....................................................................30
5.5.3 Locking the Protection Register.............................................................................30
5.2
5.3
5.4
5.5
5.6
V
PP Program and Erase Voltages ......................................................................................30
Datasheet
3
INTEL [ INTEL ]
