參數(shù)資料
型號: M58LW64D
廠商: 意法半導體
英文描述: 64 Mbit (8Mb x8, 4Mb x16, Uniform Block) 3V Supply Flash Memory
中文描述: 64兆位(和8Mb × 8,4Mb的x16插槽,統(tǒng)一座)3V電源快閃記憶體
文件頁數(shù): 43/50頁
文件大?。?/td> 783K
代理商: M58LW64D
43/50
M58LW064D
Figure 20. Block Protect Flowchart and Pseudo Code
Write 01h
Block Address
AI06157b
YES
NO
SR7 = 1
Start
Write 60h
Block Address
Write FFh
Read Status Register
Block Protect
Sucessful
SR3 = 1
SR4, SR5 = 1,1
SR4 = 1
VPEN Invalid Error
Invalid Command
Sequence Error
Block Protect
Error
YES
YES
YES
NO
NO
NO
Block Protect Command
– write 60h, Block Adress
– write 01h, Block Adress
do:
– read status register
while SR7 = 1
If SR3 = 1, VPEN Invalid Error
Read Memory Array Command:
– write FFh
If SR4 = 1, SR5 = 1 Invalid Command Sequence
Error
If SR4 = 1, Block Protect Error
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