參數(shù)資料
型號(hào)： S71PL191HB0BFI100
廠商： SPANSION LLC
元件分類： 存儲(chǔ)器
英文描述： SPECIALTY MEMORY CIRCUIT, PBGA73
封裝： 9 X 13 MM, LEAD FREE, FBGA-73
文件頁數(shù)： 125/172頁
文件大?。?/td> 4662K
代理商： S71PL191HB0BFI100
40
S29PL127H/S29PL129H
S29PL127H_129H_00A1 May 7, 2004
Pr el i m i n ary
Figure 3. SecSi Sector Protection Algorithm
START
SecSiTM Sector Entry
Write AAh to address 555h
Write 55h to address 2AAh
Write 88h to address 555h
SecSi Sector
Protection Entry
Write AAh to address 555h
Write 55h to address 2AAh
Write 60h to address 555h
PLSCNT = 1
Protect SecSi Sector:
write 68h to sector address
with A7–A0 = 00011010
Time out 256
s
Read from sector address
with A7–A0 = 00011010
Data = 01h?
Yes
SecSi Sector
Protection Completed
SecSi Sector Exit
Write 555h/AAh
Write 2AAh/55h
Write SA0+555h/90h
Write XXXh/00h
Verify SecSi Sector:
write 48h to sector address
with A7–A0 = 00011010
Increment PLSCNT
PLSCNT = 25?
Device Failed
SecSi Sector Entry
SecSi Sector Protection
SecSi Sector Exit
No
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