FW912 Micron Semiconductor Products, FW912 Datasheet - Page 26

• Manufacturer Part Number: FW912
• Description: Flash Memory Technology
• Manufacturer: Micron Semiconductor Products

4 Meg x 16 Async/Page/Burst Flash Memory
MT28F642D18_3.p65 – Rev. 3, Pub. 8/02
CHECK BLOCK ERASE Flowchart
Issue CHECK BLOCK
Issue ERASE SETUP
ERASE CONFIRM
Command and
Command and
Block Address
Block Address
BLOCK ERASE
Complete
YES
YES
SR7 = 1?
SR5 = 0?
Start
Figure 9
NO
NO
Error
ASYNC/PAGE/BURST FLASH MEMORY
26
BUS
OPERATION COMMAND COMMENTS
WRITE
WRITE
READ
Standby
Micron Technology, Inc., reserves the right to change products or specifications without notice.
ERASE
SETUP
CHECK
BLOCK
ERASE
CONFIRM
Data = 20h
Block Addr = Address
within block to be
checked
Data = D1h
Block Addr = Address
within block to be
checked
Status register data
Toggle OE# or CE# to
update status register
Check SR7 and SR5
4 MEG x 16
©2002, Micron Technology, Inc.
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