參數(shù)資料
型號: M30LW128D110ZA6T
廠商: 意法半導(dǎo)體
英文描述: 128 Mbit (two 64Mbit, x8/x16, Uniform Block, Flash Memories) 3V Supply, Multiple Memory Product
中文描述: 128兆位(兩個(gè)64兆比特,x8/x16,統(tǒng)一座,快閃記憶體)3V電源,多記憶體產(chǎn)品
文件頁數(shù): 51/57頁
文件大?。?/td> 860K
代理商: M30LW128D110ZA6T
51/57
M30LW128D
Figure 24. Blocks Unprotect Flowchart and Pseudo Code
AI07518b
YES
NO
b7 = 1
Start
Write FFh
Read
Status Register
Blocks Unprotect
Sucessful
b3 = 1
b4, b5 = 1,1
b5 = 1
VPEN Invalid
Error
Invalid Command
Sequence Error
Blocks Unprotect
Error
YES
YES
YES
NO
NO
NO
do:
– read status register
while b7 = 1
If b3 = 1, VPEN Invalid Error
Read Memory Array Command:
– write FFh
If b4 = 1, b5 = 1 Invalid Command
Sequence Error
If b5 = 1, Blocks Unprotect Error
Write D0h
Write 60h
– write 60h
– write D0h
Set A23 Low
(Add 000000h)
Set A23 High
(Add 400000h)
A23 = Low
YES
NO
Blocks Unprotect Command
– set Address 000000h (A23 Low)
If A23 = Low,
– set Address 000000h (A23 Low)
– repeat command
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