m58bw032bb STMicroelectronics, m58bw032bb Datasheet - Page 49

• Manufacturer Part Number: m58bw032bb
• Description: 32 Mbit 1mb X32, Boot Block, Burst 3.3v Supply Flash Memory
• Manufacturer: STMicroelectronics

Figure 23. Erase Suspend & Resume Flowchart and Pseudo Code
Erase Continues
Read data from
another block
Read Status
or Program
Write B0h
Write FFh
Write D0h
Write 70h
Register
b7 = 1
b6 = 1
Start
YES
YES
NO
NO
M58BW032BT, M58BW032BB, M58BW032DT, M58BW032DB
Erase Complete
Read Data
Write FFh
Program/Erase Suspend Command:
– write B0h
– write 70h
do:
– read status register
while b7 = 1
If b6 = 0, Erase completed
Read Memory Array command:
– write FFh
– one or more data reads
Program/Erase Resume command:
– write D0h to resume the Erase
– if the Erase operation completed
from other blocks
operation
then this is not necessary. The device
returns to Read mode as normal
(as if the Program/Erase suspend
was not issued).
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