MBM29DL164BD Fujitsu Media Devices, MBM29DL164BD Datasheet - Page 68

• Manufacturer Part Number: MBM29DL164BD
• Description: (MBM29DL16xTD/BD) FLASH MEMORY CMOS 16M (2M X 8/1M X 16) BIT
• Manufacturer: Fujitsu Media Devices

68
MBM29DL16XTD/BD
(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
No
No
-70/90
To Sector Group Protection
Protection Write XXXh/60h
(A
(A
(A
Protection Write SGA/40h
Remove V
Read from Sector Group
Sector Group Protection
Extended Sector Group
To Setup Sector Group
To Verify Sector Group
Protection Other Sector
Write Reset Command
0
0
0
= V
= V
= V
Protection Entry?
Time Out 250 s
Write SGA/60h
RESET = V
PLSCNT = 1
IL
IL
IL
Data = 01h?
Wait to 4 s
Completed
, A
, A
, A
Address
Group?
Start
1
1
1
ID
= V
= V
= V
from RESET
Yes
IH
IH
IH
No
Yes
, A
, A
, A
ID
6
6
6
= V
= V
= V
IL
IL
IL
)
)
)
Yes
Setup Next Sector Group
Address