M28W320CT View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'M28W320CT' PDF : 42 Pages View PDF
M28W320CT, M28W320CB
Figure 15. Erase Suspend & Resume Flowchart and Pseudo Code
Start
Write B0h
Command
Write 70h
Command
Read Status
Register
NO
b7 = 1
YES
NO
b6 = 1
YES
Erase Complete
Read data from
another block
or
Program/Protection Program
or
Block Protect/Unprotect/Lock
Write D0h
Command
Write FFh
Command
Erase Continues
Read Data
PES instruction:
– write B0h command
do:
– read status register
(E or G must be toggled)
while b7 = 1
If b6 = 0, Erase completed
PER instruction:
– write D0h command to resume
erasure
– if the erase operation completed
then this is not necessary.
The device returns to Read Array as
normal (as if the Program/Erase
suspend was not issued).
AI03542
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