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M28W320CB データシート(PDF) 33 Page - STMicroelectronics

部品番号 M28W320CB
部品情報  32 Mbit (2Mb x16, Boot Block) 3V Supply Flash Memory
PDF  42 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M28W320CB データシート(HTML) 33 Page - STMicroelectronics

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M28W320CT, M28W320CB
Figure 15. Erase Suspend & Resume Flowchart and Pseudo Code
Write 70h
Command
AI03542
Read Status
Register
YES
NO
b7=1
YES
NO
b6=1
Erase Continues
PES instruction:
– write B0h command
do:
– read status register
(E or G must be toggled)
while b7 = 1
If b6 = 0, Erase completed
Write D0h
Command
Read data from
another block
or
Program/Protection Program
or
Block Protect/Unprotect/Lock
Start
Write B0h
Command
Erase Complete
Write FFh
Command
Read Data
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).



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