Contents
9.2
Device Commands .............................................................................................................35
10.0 Read Operations..........................................................................................................................37
10.1 Read Array..........................................................................................................................37
10.1.1 Asynchronous Page Mode Read...........................................................................37
10.1.2 Enhanced Configuration Register (ECR)...............................................................38
10.2 Read Identifier Codes......................................................................................................... 39
10.2.1 Read Status Register.............................................................................................39
10.3 Read Query/CFI..................................................................................................................41
11.0 Programming Operations ...........................................................................................................42
11.1 Byte/Word Program ............................................................................................................42
11.2 Write to Buffer.....................................................................................................................42
11.3 Program Suspend............................................................................................................... 43
11.4 Program Resume................................................................................................................ 43
12.0 Erase Operations.........................................................................................................................44
12.1 Block Erase.........................................................................................................................44
12.2 Block Erase Suspend .........................................................................................................44
12.3 Erase Resume....................................................................................................................45
13.0 Security Modes............................................................................................................................46
13.1 Set Block Lock-Bit...............................................................................................................46
13.2 Clear Block Lock-Bits..........................................................................................................46
13.3 Protection Register Program ..............................................................................................47
13.3.1 Reading the Protection Register............................................................................47
13.3.2 Programming the Protection Register....................................................................47
13.3.3 Locking the Protection Register.............................................................................47
13.4 Array Protection..................................................................................................................49
14.0 Special Modes..............................................................................................................................50
14.1 Set Read Configuration Register Command ......................................................................50
14.2 Status (STS) .......................................................................................................................50
Appendix A Common Flash Interface.................................................................................................52
Appendix B Flow Charts......................................................................................................................59
Appendix C Design Considerations ...................................................................................................68
Appendix D Additional Information ....................................................................................................70
Appendix E Ordering Information.......................................................................................................71
4
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