CAT28F001G-12TE13 Datasheet, PDF (13/18 Pages) ON Semiconductor – 1 Megabit CMOS Boot Block Flash Memory

Figure 6 Block Erase Suspend/Resume Flowchart
CAT28F001
START
WRITE B0H
READ STATUS
REGISTER
SR.7 = 1?
NO
YES
SR.6 = 1?
NO
YES
WRITE FFH
ERASE HAS
COMPLETED
DONE
NO
READING?
YES
WRITE D0H
Bus
Operation Command
Write
Erase
Suspend
Comments
Data = B0H
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
Read
Read array data from block other
than that being erased.
Write
Erase Resume Data = D0H
CONTINUE
ERASE
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
13
Doc. No. MD-1078, Rev. K