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Компоненты Описание
CAT28F002 Просмотр технического описания (PDF) - Catalyst Semiconductor => Onsemi
Номер в каталоге
Компоненты Описание
производитель
CAT28F002
2 Megabit CMOS Boot Block Flash Memory
Catalyst Semiconductor => Onsemi
CAT28F002 Datasheet PDF : 16 Pages
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CAT28F002
Figure 6 Block Erase Suspend/Resume Flowchart
START
WRITE B0H
WRITE 70H
READ STATUS
REGISTER
SR.7 = 1?
NO
YES
SR.6 = 1?
NO
YES
WRITE FFH
ERASE HAS
COMPLETED
Bus
Operation Command
Write
Erase
Suspend
Comments
Data = B0H
Write
Erase
Data = 70H
Status Register
Standby/
Ready
Read Status Register
Check SR.7
1 = Ready, 0 = Busy
Toggle OE or CE to Update
Status Register
Standby
Check SR.6
1 = Suspended
Write
Read Array
Data = FFH
DONE
NO
READING?
YES
WRITE D0H
CONTINUE
ERASE
Read
Read array data from block other
than that being erased.
Write
Erase Resume Data = D0H
13
Doc. No. 25072-00 2/98 F-1
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