參數(shù)資料
型號(hào)： S71GL064A08BAI0F2
廠商： SPANSION LLC
元件分類： 存儲(chǔ)器
英文描述： Stacked Multi-Chip Product (MCP) Flash Memory and RAM
中文描述： SPECIALTY MEMORY CIRCUIT, PBGA56
封裝： 7 X 9 MM, 1.20 MM HEIGHT, LEAD FREE, FBGA-56
文件頁(yè)數(shù)： 35/102頁(yè)
文件大小： 1606K
代理商： S71GL064A08BAI0F2
March 31, 2005 S71GL032A_00_A0
S71GL032A Based MCPs
35
A d v a n c e I n f o r m a t i o n
Temporary Sector Group Unprotect
This feature allows temporary unprotection of previously protected sector groups
to change data in-system. The Sector Group Unprotect mode is activated by set-
ting the RESET# pin to V
ID
. During this mode, formerly protected sector groups
can be programmed or erased by selecting the sector group addresses. Once V
ID
is removed from the RESET# pin, all the previously protected sector groups are
protected again.
Figure 1
shows the algorithm, and
Figure 22
shows the timing
diagrams, for this feature.
Notes:
1. All protected sector groups unprotected (If WP# = V
IL
, the highest or lowest address sector will remain protected for
uniform sector devices; the top or bottom two address sectors will remain protected for boot sector devices).
2. All previously protected sector groups are protected once again.
Figure 1. Temporary Sector Group Unprotect Operation
START
Perform Erase or
Program Operations
RESET# = V
IH
Temporary Sector
Group Unprotect Completed
(Note 2)
RESET# = V
ID
(Note 1)
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S71GL064A08BAI0F3 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Product (MCP) Flash Memory and RAM
S71GL064A08BAW0B0 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Product (MCP) Flash Memory and RAM
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S71GL064A08BAW0B3 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Product (MCP) Flash Memory and RAM
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