參數(shù)資料
型號(hào)： S29GL032M10TFCR30
廠商： Spansion Inc.
英文描述： T495 Low ESR Tantalum Chip Kit
中文描述： MirrorBit閃存系列
文件頁數(shù)： 155/159頁
文件大?。?/td> 5216K
代理商： S29GL032M10TFCR30
Octorber 18, 2004 S29GLxxxM_00_B3
S29GLxxxM MirrorBitTM Flash Family
95
Da tash eet
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 setting the RESET# pin to VID. During this mode, formerly protected
sector groups can be programmed or erased by selecting the sector group addresses. Once VID is removed from
the RESET# pin, all the previously protected sector groups are protected again. Figure 1 shows the algorithm,
and Figure 23, on page 135 shows the timing diagrams, for this feature.
Notes:
1. All protected sector groups unprotected (If WP# = VIL, the highest or lowest address sector remains protected for
uniform sector devices, the top or bottom two address sectors remains protected for boot sector devices).
2. All previously protected sector groups are protected once again.
Figure 1. Temporary Sector Group Unprotect Operation
SA492–SA495
1111011xx
SA496–SA499
1111100xx
SA500–SA503
1111101xx
SA504–SA507
1111110xx
SA508
111111100
SA509
111111101
SA510
111111110
SA511
111111111
Table 30. S29GL256M Sector Group Protection/Unprotection Address Table (Sheet 4 of 4)
Sector Group
A23–A15
START
Perform Erase or
Program Operations
RESET# = VIH
Temporary Sector
Group Unprotect Completed
(Note 2)
RESET# = VID
(Note 1)
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S29GL032M10TFCR32 制造商:SPANSION 制造商全稱:SPANSION 功能描述:MirrorBit Flash Family
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S29GL032M10TFCR42 制造商:SPANSION 制造商全稱:SPANSION 功能描述:MirrorBit Flash Family
S29GL032M10TFCR43 制造商:SPANSION 制造商全稱:SPANSION 功能描述:MirrorBit Flash Family
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