32Mb, 64Mb, 128Mb: 3V Embedded Parallel NOR Flash
Features
Contents
General Description ......................................................................................................................................... 8
Signal Assignments ........................................................................................................................................... 9
Signal Descriptions ......................................................................................................................................... 13
Memory Organization .................................................................................................................................... 14
Memory Configuration ............................................................................................................................... 14
Memory Map – 32Mb ................................................................................................................................. 15
Memory Map – 64Mb ................................................................................................................................. 17
Memory Map – 128Mb ................................................................................................................................ 19
Bus Operations ............................................................................................................................................... 20
Read .......................................................................................................................................................... 20
Write .......................................................................................................................................................... 20
Standby ..................................................................................................................................................... 20
Output Disable ........................................................................................................................................... 21
Reset .......................................................................................................................................................... 21
Registers ........................................................................................................................................................ 22
Status Register ............................................................................................................................................ 22
Lock Register .............................................................................................................................................. 27
Standard Command Definitions – Address-Data Cycles .................................................................................... 30
READ and AUTO SELECT Operations .............................................................................................................. 33
READ/RESET Command ............................................................................................................................ 33
READ CFI Command .................................................................................................................................. 33
AUTO SELECT Command ........................................................................................................................... 33
Bypass Operations .......................................................................................................................................... 35
UNLOCK BYPASS Command ...................................................................................................................... 35
UNLOCK BYPASS RESET Command ............................................................................................................ 36
Program Operations ....................................................................................................................................... 36
PROGRAM Command ................................................................................................................................ 36
UNLOCK BYPASS PROGRAM Command ..................................................................................................... 37
DOUBLE BYTE/WORD PROGRAM Command ............................................................................................. 37
QUADRUPLE BYTE/WORD PROGRAM Command ...................................................................................... 37
OCTUPLE BYTE PROGRAM Command ....................................................................................................... 38
WRITE TO BUFFER PROGRAM Command .................................................................................................. 38
UNLOCK BYPASS WRITE TO BUFFER PROGRAM Command ....................................................................... 40
ENHANCED WRITE TO BUFFER PROGRAM Command ............................................................................... 41
UNLOCK BYPASS ENHANCED WRITE TO BUFFER PROGRAM Command ................................................... 41
WRITE TO BUFFER PROGRAM CONFIRM Command .................................................................................. 42
ENHANCED WRITE TO BUFFER PROGRAM CONFIRM Command .............................................................. 42
BUFFERED PROGRAM ABORT AND RESET Command ................................................................................ 42
PROGRAM SUSPEND Command ................................................................................................................ 42
PROGRAM RESUME Command .................................................................................................................. 43
Erase Operations ............................................................................................................................................ 43
CHIP ERASE Command .............................................................................................................................. 43
UNLOCK BYPASS CHIP ERASE Command ................................................................................................... 43
BLOCK ERASE Command ........................................................................................................................... 44
UNLOCK BYPASS BLOCK ERASE Command ................................................................................................ 44
ERASE SUSPEND Command ....................................................................................................................... 44
ERASE RESUME Command ........................................................................................................................ 45
BLANK CHECK Operation .............................................................................................................................. 45
BLANK CHECK Commands ........................................................................................................................ 45
Block Protection Command Definitions – Address-Data Cycles ........................................................................ 47
PDF: 09005aef84dc44a7
m29ew_32Mb-128Mb.pdf - Rev. B 11/12 EN
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