M50FLW080A Datasheet, PDF (62/64 Pages) STMicroelectronics – 8 Mbit (13 x 64KByte Blocks + 3 x 16 x 4KByte Sectors), 3V Supply Firmware Hub / Low Pin Count Flash Memory

Flowcharts and pseudo codes
M50FLW080A, M50FLW080B
Figure 27. Erase Suspend and Resume flowchart and pseudo code
Start
Write B0h
Write 70h
Read Status
Register
NO
SR7 = 1
YES
NO
SR6 = 1
YES
Read data from
another block/sector
or
Program
Erase Complete
Write D0h
Erase Continues
Write FFh
Read Data
Program/Erase Suspend command:
– write B0h
– write 70h
do:
– read Status Register
while SR7 = 0
If SR6 = 0, Erase completed
Program/Erase Resume command:
– write D0h to resume erase
– if the Erase operation completed
then this is not necessary.
The device returns to Read as
normal (as if the Program/Erase
suspend was not issued).
AI08429B
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