128Mb 3V Embedded Parallel NOR Flash
Features
Contents
General Description ......................................................................................................................................... 7
Signal Assignments ........................................................................................................................................... 8
Signal Descriptions ......................................................................................................................................... 10
Memory Organization .................................................................................................................................... 11
Uniform Block Memory Map – 128Mb Density ............................................................................................. 11
Bus Operations ............................................................................................................................................... 12
Read .......................................................................................................................................................... 12
Write .......................................................................................................................................................... 12
Standby and Automatic Standby ................................................................................................................. 12
Output Disable ........................................................................................................................................... 13
Reset .......................................................................................................................................................... 13
Status Register ................................................................................................................................................ 14
Lock Register .................................................................................................................................................. 19
Standard Command Definitions – Address-Data Cycles .................................................................................... 21
READ Operations ........................................................................................................................................... 23
READ/RESET Command ............................................................................................................................ 23
READ CFI Command .................................................................................................................................. 23
AUTO SELECT Operations .............................................................................................................................. 24
AUTO SELECT Command ........................................................................................................................... 24
Bypass Operations .......................................................................................................................................... 27
UNLOCK BYPASS Command ...................................................................................................................... 27
UNLOCK BYPASS RESET Command ............................................................................................................ 27
Program Operations ....................................................................................................................................... 28
PROGRAM Command ................................................................................................................................ 28
UNLOCK BYPASS PROGRAM Command ..................................................................................................... 28
WRITE TO BUFFER PROGRAM Command .................................................................................................. 28
UNLOCK BYPASS WRITE TO BUFFER PROGRAM Command ....................................................................... 31
WRITE TO BUFFER PROGRAM CONFIRM Command .................................................................................. 31
BUFFERED PROGRAM ABORT AND RESET Command ................................................................................ 31
PROGRAM SUSPEND Command ................................................................................................................ 31
PROGRAM RESUME Command .................................................................................................................. 32
ENHANCED BUFFERED PROGRAM Command ........................................................................................... 32
UNLOCK BYPASS ENHANCED BUFFERED PROGRAM Command ............................................................... 33
ENHANCED BUFFERED PROGRAM CONFIRM Command .......................................................................... 33
Erase Operations ............................................................................................................................................ 36
CHIP ERASE Command .............................................................................................................................. 36
UNLOCK BYPASS CHIP ERASE Command ................................................................................................... 36
BLOCK ERASE Command ........................................................................................................................... 36
UNLOCK BYPASS BLOCK ERASE Command ................................................................................................ 37
ERASE SUSPEND Command ....................................................................................................................... 37
ERASE RESUME Command ........................................................................................................................ 38
Block Protection Command Definitions – Address-Data Cycles ........................................................................ 39
Protection Operations .................................................................................................................................... 42
LOCK REGISTER Commands ...................................................................................................................... 42
PASSWORD PROTECTION Commands ....................................................................................................... 42
NONVOLATILE PROTECTION Commands .................................................................................................. 42
NONVOLATILE PROTECTION BIT LOCK BIT Commands ............................................................................ 44
VOLATILE PROTECTION Commands .......................................................................................................... 44
EXTENDED MEMORY BLOCK Commands .................................................................................................. 44
EXIT PROTECTION Command .................................................................................................................... 45
PDF: 09005aef84daa141
m29w_128mb.pdf - Rev. A 7/13 EN
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