LH28F800BJB-PTTL90 Datasheet, PDF (24/47 Pages) Sharp Electrionic Components – 8M (x8/x16) Flash Memory

LHF80J21
22
Start
Write B0H
Read
Status Register
SR.7=
0
1
SR.6=
0
Block Erase Completed
1
Read
Read or
Word/Byte
Write ?
Word/Byte Write
Read Array Data
Word/Byte Write Loop
No
Done?
Yes
Write D0H
Write FFH
Bus
Operation
Write
Read
Standby
Standby
Write
Command
Erase
Suspend
Erase
Resume
Comments
Data=B0H
Addr=X
Status Register Data
Addr=X
Check SR.7
1=WSM Ready
0=WSM Busy
Check SR.6
1=Block Erase Suspended
0=Block Erase Completed
Data=D0H
Addr=X
Block Erase Resumed
Read Array Data
Figure 9. Block Erase Suspend/Resume Flowchart
Rev. 1.27