參數(shù)資料
型號: M750000008
廠商: Spansion Inc.
英文描述: 128 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Read/Write Flash Memory
中文描述: 128兆位(8米× 16位),3.0伏的CMOS只,同步讀/寫閃存
文件頁數(shù): 47/136頁
文件大?。?/td> 1250K
代理商: M750000008
February 5, 2004
Am75PDL191CHH/Am75PDL193CHH
45
A D V A N C E I N F O R M A T I O N
Figure 3.
SecSi Protection Algorithm
START
SecSi
TM
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
μ
s
Read from sector address
(SA0 + 1Ah)
Data = 01h
Yes
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
No
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