m28f410 STMicroelectronics, m28f410 Datasheet - Page 32

• Manufacturer Part Number: m28f410
• Description: 4 Megabit X8 Or X16, Block Erase Flash Memory
• Manufacturer: STMicroelectronics

Figure 13. Erase Suspend & Resume Flow-chart and Pseudo Code
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Erase Continues
Read data from
another block
Read Status
Write 0D0h
Write 0B0h
Write 0FFh
Command
Command
Command
Register
b7 = 1
b6 = 1
Start
YES
YES
NO
NO
Complete
Erase
ES instruction:
– write 0B0h command
(memory enters read register
state after the ES instruction)
do:
– read status register
while b7 = 1
If b6 = 0, Erase completed
(at this point the memory wich
accept only the RD or ER instruction)
RD instruction:
– write 0FFh command
– one o more data reads
ER instruction:
– write 0D0h command
(E or G must be toggled)
from another block
to resume erasure
AI01280