參數(shù)資料
型號: AM70PDL129CDH66I
廠商: Spansion Inc.
英文描述: Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
中文描述: 堆疊式多芯片封裝(MCP / XIP)的快閃記憶體,數(shù)據(jù)存儲的MirrorBit閃存和移動存儲芯片(XIP)的
文件頁數(shù): 44/127頁
文件大?。?/td> 846K
代理商: AM70PDL129CDH66I
42
Am70PDL127CDH/Am70PDL129CDH
November 24, 2003
A D V A N C E I N F O R M A T I O N
Figure 3.
PDL127/9H SecSi Sector Protection Algorithm
SecSi Sector Protection Bits
The SecSi Sector Protection Bits prevent program-
ming of the SecSi Sector memory area. Once set, the
SecSi Sector memory area contents are non-modifi-
able.
The SecSi Sector lock must be used with caution
since, once locked, there is no procedure available for
unlocking the SecSi Sector area and none of the bits
in the SecSi Sector memory space can be modified in
any way.
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
with A7–A0 = 00011010
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AM70PDL129CDH66IS 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
AM70PDL129CDH66IT 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
AM70PDL129CDH85I 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
AM70PDL129CDH85IS 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
AM70PDL129CDH85IT 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)