128Mb: x8/x16, 3V, MT28EW Embedded Parallel NOR
Features
Contents
Important Notes and Warnings ......................................................................................................................... 7
General Description ......................................................................................................................................... 8
Signal Assignments ........................................................................................................................................... 9
Signal Descriptions ......................................................................................................................................... 12
Memory Organization .................................................................................................................................... 14
Memory Configuration ............................................................................................................................... 14
Memory Map ............................................................................................................................................. 14
Bus Operations ............................................................................................................................................... 15
Read .......................................................................................................................................................... 15
Write .......................................................................................................................................................... 15
Standby ..................................................................................................................................................... 16
Output Disable ........................................................................................................................................... 16
Reset .......................................................................................................................................................... 16
Registers ........................................................................................................................................................ 17
Data Polling Register .................................................................................................................................. 17
Lock Register .............................................................................................................................................. 22
Standard Command Definitions – Address-Data Cycles .................................................................................... 24
READ and AUTO SELECT Operations .............................................................................................................. 27
READ/RESET Command ............................................................................................................................ 27
READ CFI Command .................................................................................................................................. 27
AUTO SELECT Command ........................................................................................................................... 27
Read Electronic Signature ........................................................................................................................... 28
Cyclic Redundancy Check Operation ............................................................................................................... 29
CYCLIC REDUNDANCY CHECK Command ................................................................................................. 29
Cyclic Redundancy Check Operation Command Sequence .......................................................................... 29
Bypass Operations .......................................................................................................................................... 32
UNLOCK BYPASS Command ...................................................................................................................... 32
UNLOCK BYPASS RESET Command ............................................................................................................ 32
Program Operations ....................................................................................................................................... 33
PROGRAM Command ................................................................................................................................ 33
UNLOCK BYPASS PROGRAM Command ..................................................................................................... 33
WRITE TO BUFFER PROGRAM Command .................................................................................................. 33
UNLOCK BYPASS WRITE TO BUFFER PROGRAM Command ....................................................................... 36
WRITE TO BUFFER PROGRAM CONFIRM Command .................................................................................. 36
BUFFERED PROGRAM ABORT AND RESET Command ................................................................................ 36
PROGRAM SUSPEND Command ................................................................................................................ 36
PROGRAM RESUME Command .................................................................................................................. 37
ACCELERATED BUFFERED PROGRAM Operations .......................................................................................... 37
Erase Operations ............................................................................................................................................ 38
CHIP ERASE Command .............................................................................................................................. 38
UNLOCK BYPASS CHIP ERASE Command ................................................................................................... 38
BLOCK ERASE Command ........................................................................................................................... 38
UNLOCK BYPASS BLOCK ERASE Command ................................................................................................ 39
ERASE SUSPEND Command ....................................................................................................................... 39
ERASE RESUME Command ........................................................................................................................ 40
ACCELERATED CHIP ERASE Operations ......................................................................................................... 40
BLANK CHECK Operation .............................................................................................................................. 41
BLANK CHECK Commands ........................................................................................................................ 41
Device Protection ........................................................................................................................................... 42
Hardware Protection .................................................................................................................................. 42
PDF: 09005aef85c59413
mt28e-qlhp-W128-ABA-S-IT.pdf - Rev. F 05/18 EN
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