mbm29dl324te90tr Meet Spansion Inc., mbm29dl324te90tr Datasheet - Page 80

• Manufacturer Part Number: mbm29dl324te90tr
• Description: 32 M 4 M ? 8/2 M ? 16 Bit Dual Operation Flash Memory
• Manufacturer: Meet Spansion Inc.

80
MBM29DL32XTE/BE
Remove V
Temporary Sector Group
Write Reset Command
Device is Operating in
Increment PLSCNT
Unprotection Mode
PLSCNT = 25?
Device Failed
ID
from RESET
No
Yes
Extended Sector Group Protection Algorithm
Retired Product DS05-20881-8E_July 20, 2007
No
No
80 / 90
To Setup Sector Group Protection
To Verify Sector Group Protection
Read from Sector Group Address
Write 60h to Secter Address
Write 40h to Secter Address
Remove V
To Protect Secter Group
(A
(A
(A
Extended Sector Group
Write Reset Command
Protection Completed
Protect Other Sector
6
6
6
Protection Entry?
Write XXXh/60h
= A
Time out 250 μs
= A
= A
Sector Group
RESET = V
PLSCNT = 1
Data = 01h?
Wait to 4 μs
0
0
0
Group?
= V
= V
= V
Start
ID
from RESET
IL
IL
IL
Yes
Yes
, A
, A
, A
No
1
1
1
ID
= V
= V
= V
IH
IH
IH
)
)
)
Yes
Setup Next Sector
Group Address