參數(shù)資料
型號: M58MR064D100ZC6T
廠商: 意法半導體
英文描述: 64 Mbit 4Mb x16, Mux I/O, Dual Bank, Burst 1.8V Supply Flash Memory
中文描述: 64兆位4Mb的x16插槽,復用的I / O,雙行,突發(fā)1.8V電源快閃記憶體
文件頁數(shù): 7/52頁
文件大?。?/td> 399K
代理商: M58MR064D100ZC6T
15/52
M58MR064C, M58MR064D
Table 13. Protection States (1)
Note: 1. All blocks are protected at power-up, so the default configuration is 001 or 101 according to WP status.
2. Current state and Next state gives the protection status of a block. The protection status is defined by the write protect in and by
DQ1 (= 1 for a locked block) and DQ0 (= 1 for a protected block) as read in the Read Electronic Signature instruction with A1 = VIH
and A0 = VIL.
3. Next state is the protection status of a block after a Protect or Unprotect or Lock command has been issued or after WP has changed
its logic value.
4. A WP transition to VIH on a locked block will restore the previous DQ0 value, giving a 111 or 110.
Current State (2)
(WP, DQ1, DQ0)
Program/Erase
Allowed
Next State After Event (3)
Protect
Unprotect
Lock
WP transition
100
Yes
101
100
111
000
101
No
101
100
111
001
110
Yes
111
110
111
011
111
No
111
110
111
011
000
Yes
001
000
011
100
001
No
001
000
011
101
011No011
011
111 or 110 (4)
Figure 5. Security Block Memory Map
AI90091
Parameter Block # 0
User Programmable OTP
Unique device number
Protection Register Lock
2
1
0
88h
85h
84h
81h
80h
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