MBM29LV320TE80TN Meet Spansion Inc., MBM29LV320TE80TN Datasheet - Page 62

• Manufacturer Part Number: MBM29LV320TE80TN
• Description: Flash Memory Cmos 32 M 4 M ? 8/2 M ? 16 Bit
• Manufacturer: Meet Spansion Inc.

62
MBM29LV320TE/BE
7. Extended Sector Group Protection Algorithm
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
Retired Product DS05-20894-5E_July 31, 2007
No
No
80/90/10
To Setup Sector Group Protection
To Verify Sector Group Protection
Write 60h to Sector Address
Write 40h to Sector Address
(A
Remove V
To Protect Sector Group
Read from Sector Group
Protection Other Sector
Sector Group Protection
(A
(A
Extended Sector Group
0
Write Reset Command
= V
6
6
Protection Entry?
Write XXXh/60h
= A
Time out 250 μs
= A
IL
RESET = V
PLSCNT = 1
Data = 01h?
Wait to 4 μs
Completed
, A
0
0
Address
Group ?
= V
= V
1
Start
ID
= V
from RESET
IL
IL
Yes
Yes
, A
, A
No
IH
, A
1
1
ID
= V
= V
6
= V
IH
IH
)
)
IL
)
Setup Next Sector Group Address
Yes