MT28F160A3 Ver la hoja de datos (PDF) - Micron Technology
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MT28F160A3 Datasheet PDF : 28 Pages
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ADVANCE
1 MEG x 16
ENHANCED BOOT BLOCK FLASH MEMORY
Figure 5
ERASE SUSPEND/ERASE RESUME
Flowchart
Start
Issue ERASE
SUSPEND Command
Read Status Register
Bits
NO
SR7 = 1?
YES
NO
SR6 = 1?
YES
ERASE
Complete
READ or
PROGRAM?
READ
PROGRAM
Issue READ MEMORY
Command
PROGRAM
Loop
BUS
OPERATION COMMAND COMMENTS
WRITE
ERASE
SUSPEND
Data = B0h
READ
Status register data
Toggle OE# or CE# to update
status register
Standby
Check SR7
1 = Ready
Standby
Check SR6
1 = Suspended
WRITE
or
WRITE
READ
MEMORY
WRITE
SETUP
Data = FFh
Data = 40h or 10h
Addr = Don’t Care
READ
or
WRITE
WRITE
DATA
Read data from block other
than that being erased
Data = Word to be
programmed
Addr = Address of word to be
programmed
WRITE
ERASE
RESUME
Data = D0h
Addr = Don’t Care
NO
READ or
PROGRAM
Complete?
YES
Issue ERASE
RESUME Command
ERASE Continued1
(Note 2)
NOTE: 1. See BLOCK ERASE Flowchart for complete erasure procedure.
2. See Word Programming Flowchart for complete programming procedure.
1 Meg x 16 Enhanced Boot Block Flash Memory
MT28F160A3_3.p65 – Rev. 3, Pub. 8/01
15
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2001, Micron Technology, Inc.
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