參數(shù)資料
型號(hào): M30L0T8000B0ZAQE
廠商: STMICROELECTRONICS
元件分類: PROM
英文描述: 16M X 16 FLASH 1.8V PROM, 85 ns, PBGA88
封裝: 8 X 10 MM, 0.80 MM PITCH, LEAD FREE, BGA-88
文件頁(yè)數(shù): 50/103頁(yè)
文件大?。?/td> 794K
代理商: M30L0T8000B0ZAQE
Block locking
M30L0T8000T0, M30L0T8000B0
Table 16.
Lock Status
Current Protection Status(1)
(WP, DQ1, DQ0)
1.
The lock status is defined by the write protect pin and by DQ1 (‘1’ for a locked-down block) and DQ0 (‘1’ for
a locked block) as read in the Read Electronic Signature command with A1 = VIH and A0 = VIL.
Next Protection Status(1)
(WP, DQ1, DQ0)
Current State
Program/Erase
Allowed
After Block
Lock
Command
After Block
Unlock
Command
After Block
Lock-Down
Command
After WP
transition
1,0,0
yes
1,0,1
1,0,0
1,1,1
0,0,0
1,0,1(2)
2.
All blocks are locked at power-up, so the default configuration is 001 or 101 according to WP status.
no
1,0,1
1,0,0
1,1,1
0,0,1
1,1,0
yes
1,1,1
1,1,0
1,1,1
0,1,1
1,1,1
no
1,1,1
1,1,0
1,1,1
0,1,1
0,0,0
yes
0,0,1
0,0,0
0,1,1
1,0,0
0,0,1(2)
no
0,0,1
0,0,0
0,1,1
1,0,1
0,1,1
no
0,1,1
1,1,1 or 1,1,0
(3)
3.
A WP transition to VIH on a locked block will restore the previous DQ0 value, giving a 111 or 110.
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