參數(shù)資料
型號: 29LV650
廠商: Fujitsu Limited
英文描述: 64M (4M x 16) BIT
中文描述: 64M號(4米× 16)位
文件頁數(shù): 52/57頁
文件大?。?/td> 625K
代理商: 29LV650
MBM29LV650UE/651UE-
90/12
52
To Sector Group Protection
Write SGA/60h
(A
0
= V
IL
, A
1
= V
IH
, A
6
= V
IL
)
Yes
No
No
PLSCNT = 1
Protection Other Sector
Group
Start
Sector Group Protection
Completed
Extended Sector Group
Protection Entry
Remove
V
ID
from RESET
Write Reset Command
RESET = V
ID
Wait to 4
μ
s
To Setup Sector Group
Protection Write XXXh/60h
Time Out 250
μ
s
To Verify Sector Group
Protection Write SGA/40h
(A
0
= V
IL
, A
1
= V
IH
, A
6
= V
IL
)
Data = 01h
Device is Operating in
Temporary Sector Group
Unprotection Mode
Read from Sector Group
Address
(A
0
= V
IL
, A
1
= V
IH
, A
6
= V
IL
)
Increment PLSCNT
No
Yes
Yes
Setup Next Sector Group
Address
No
Yes
PLSCNT = 25
Device Failed
Remove V
ID
from RESET
Write Reset Command
Figure 22 Extended Sector Group Protection Algorithm
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