MT28F320A18 Micron Technology, MT28F320A18 Datasheet - Page 23

• Manufacturer Part Number: MT28F320A18
• Description: FLASH MEMORY
• Manufacturer: Micron Technology

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DataSheet
Notes: 1. See Word Programming Flowchart for complete programming procedure.
2 Meg x 16, 1.8V Enhanced+ Boot Block Flash Memory
MT28F320A18_F.fm – Rev F 08/03 EN
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Figure 7: ERASE SUSPEND/ERASE
2. See BLOCK ERASE Flowchart for complete erasure procedure.
NO
RESUME Flowchart
Read Status Register
SUSPEND Command
RESUME Command
Issue READ ARRAY
ERASE Continued
Issue ERASE
Issue ERASE
PROGRAM?
PROGRAM
Complete?
Command
SR7 = 1?
SR6 = 1?
READ or
READ or
Start
Bits
YES
YES
READ
YES
2
NO
NO
PROGRAM
1.8V ENHANCED+ BOOT BLOCK FLASH MEMORY
PROGRAM
Complete
ERASE
Loop
(Note 1)
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BUS
OPERATION COMMAND
Write
READ
Standby
Standby
WRITE
READ
WRITE
ERASE SUSPEND
READ MEMORY
ERASE RESUME
COMMENTS
Data = B0h
Status register data
Toggle OE# or CE# to
update status register.
Check SR7
1 = Ready
Check SR6
1 = Suspended
Data = FFh
Read data from block
other than that being
erased.
Data = D0h
2 MEG x 16
©2003 Micron Technology Inc.