MBM29DL34TF Fujitsu Media Devices, MBM29DL34TF Datasheet - Page 63

• Manufacturer Part Number: MBM29DL34TF
• Description: (MBM29DL34BF/TF) FLASH MEMORY CMOS 32 M (4 M X 8/2 M X 16) BIT
• Manufacturer: Fujitsu Media Devices

7. Extended Sector Group Protection Algorithm
Remove V
Temporary Sector Group
Write Reset Command
Device is Operating in
Increment PLSCNT
Unprotection Mode
PLSCNT
Device Failed
ID
from RESET
No
Yes
25?
No
No
To Setup Sector Group Protection
To Verify Sector Group Protection
(Addr.
(A
(A
Read from Sector Group Address
A
6
6
6
Write 60h to Secter Address
Write 40h to Secter Address
Remove V
To Protect Secter Group
Extended Sector Group
Write Reset Command
A
A
A
Protect Other Sector
3
3
3
Sector Protection
Protection Entry?
SGA,
Time out 250 s
Write XXXh/60h
RESET
PLSCNT
A
A
A
Wait to 4 s
Data
Completed
2
2
2
Group?
Start
ID
A
A
A
0
from RESET
0
0
Yes
01h?
Yes
No
V
V
V
V
ID
1
IL
IL
IL
, A
, A
, A
1
1
1
MBM29DL34TF/BF
V
V
V
IH
IH
IH
)
)
)
Setup Next Sector Address
Yes
70
63