MBM29PL65LM Fujitsu Media Devices, MBM29PL65LM Datasheet - Page 50

• Manufacturer Part Number: MBM29PL65LM
• Description: FLASH MEMORY CMOS 64 M (4M X 16) BIT MirrorFlashTM
• Manufacturer: Fujitsu Media Devices

50
MBM29PL65LM
(5) Sector Group Protection Algorithm
Write Reset Command
Remove V
Increment PLSCNT
PLSCNT
Device Failed
-90/10
ID
No
Yes
from A
25?
9
No
A
6
Setup Sector Group Addr.
(
WE
Read from Sector Group
Sector Group Protection
(A
CE
A
Protect Another Sector
Write Reset Command
(A
A
Addr. = SGA, A
Remove V
6
3
21
OE
Activate WE Pulse
9
= A
Time out 100 s
= A
, A
should remain V
PLSCNT
V
Data
V
Completed
20
IH
3
2
IL
Group?
V
= A
= A
, CE
, A
, RESET
Start
ID
19
, A
2
0
ID
01h?
, A
= A
Yes
9
from A
No
V
OE
18
1
1
0
IL
V
, A
, A
ID
V
V
V
ID
17
IH
9
1
V
IH
IL
)
)
IL
)
V
IH
Yes