MBM29QM12DH Fujitsu Microelectronics, Inc., MBM29QM12DH Datasheet - Page 72

• Manufacturer Part Number: MBM29QM12DH
• Description: Page Mode Flash Memory 128m 8m X 16 Bit
• Manufacturer: Fujitsu Microelectronics, Inc.

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?
Extended Sector Group Protection Algorithm
No
No
To Setup Sector Group Protection
To Verify Sector Group Protection
Read from Sector Group Address
(
Write 60h to Sector Address
(
Write 40h to Sector Address
A
A
Remove V
To Protect Sector Group
A
3
Sector Group Protection
3
Write Reset Command
3
= A
Protect Other Sector
= A
A
A
A
= A
7
7
7
Write XXXh/60h
Time out 250 s
First Write Cycle
(Addr.
2
= A
= A
2
= A
RESET
PLSCNT
2
= A
Data
Completed
= A
Wait 4 s
= A
Group?
6
6
6
= 60h?
Start
0
ID
= A
= A
0
= A
0
= V
= V
from RESET
= V
SGA,
Yes
5
5
5
01h?
Yes
No
IL
= A
= A
= A
IL
V
, A
IL
, A
ID
1
, A
4
4
4
1
1
=
1
=
=
= V
= V
= V
IH
IH
IH
)
)
)
MBM29QM12DH
Setup Next Sector Group Address
Yes
-60
71