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| 型號(hào)： | S29GL032M10BFIR50 |
| 廠商： | SPANSION LLC |
| 元件分類(lèi)： | DRAM |
| 英文描述： | MirrorBit Flash Family |
| 中文描述： | 2M X 16 FLASH 3V PROM, 100 ns, PBGA48 |
| 封裝： | 8 X 6 MM, LEAD FREE, BGA-48 |
| 文件頁(yè)數(shù)： | 81/159頁(yè) |
| 文件大?。?/td> | 2217K |
| 代理商： | S29GL032M10BFIR50 |
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Octorber 18, 2004 S29GLxxxM_00_B3
S29GLxxxM MirrorBit
TM
Flash Family
81
D a t a s h e e t
Sector Group Protection and Unprotection
The hardware sector group protection feature disables both program and erase operations in any sector group.
In this device, a sector group consists of four adjacent sectors that are protected or unprotected at the same time
(see
Table 4 on page 28
). The hardware sector group unprotection feature re-enables both program and erase
operations in previously protected sector groups. Sector group protection/unprotection can be implemented via
two methods.
Sector protection/unprotection requires V
ID
on the RESET# pin only, and can be implemented either in-system or
via programming equipment.
Figure 2, on page 96
shows the algorithms and
Figure 24, on page 140
shows the
timing diagram. This method uses standard microprocessor bus cycle timing. For sector group unprotect, all un-
protected sector groups must first be protected prior to the first sector group unprotect write cycle.
The device is shipped with all sector groups unprotected. Spansion offers the option of programming and protect-
ing sector groups at its factory prior to shipping the device through Spansion Programming Service. Contact a
Spansion representative for details.
It is possible to determine whether a sector group is protected or unprotected. See the
“Autoselect Mode” on
page 79
section for details.
Table 19. S29GL032M (Model R0) Sector Group Protection/Unprotection Address Table
Note:
All sector groups are 256 Kbytes in size
.
Sector Group
SA0–SA3
SA4–SA7
SA8–SA11
SA12–SA15
SA16–SA19
SA20–SA23
SA24–SA27
SA28–SA31
SA32–SA35
SA36–SA39
SA40–SA43
SA44–SA47
SA48–SA51
SA52–SA55
SA56–SA59
SA60–SA63
A22–A18
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
Table 20. S29GL032M (Models R1, R2) Sector Group Protection/Unprotection Address Table (Sheet 1 of 2)
Sector Group
SA0
SA1
SA2
SA3
SA4–SA7
SA8–SA11
SA12–SA15
A20–A15
000000
000001
000010
000011
0001xx
0010xx
0011xx
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S29GL032M10FBCR50 | MirrorBit Flash Family |
| S29GL064N11FFIV20 | 64 Megabit, 32 Megabit 3.0-Volt only Page Mode Flash Memory Featuring 110 nm MirrorBit Process Technology |
| S29GL064N11BFIV22 | 64 Megabit, 32 Megabit 3.0-Volt only Page Mode Flash Memory Featuring 110 nm MirrorBit Process Technology |
| S29GL064N11BFIV60 | 64 Megabit, 32 Megabit 3.0-Volt only Page Mode Flash Memory Featuring 110 nm MirrorBit Process Technology |
| S29GL064N11BFIV62 | 64 Megabit, 32 Megabit 3.0-Volt only Page Mode Flash Memory Featuring 110 nm MirrorBit Process Technology |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S29GL032M10BFIR52 | 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:MirrorBit Flash Family |
| S29GL032M10BFIR53 | 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:MirrorBit Flash Family |
| S29GL032M10BFIR60 | 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:MirrorBit Flash Family |
| S29GL032M10BFIR62 | 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:MirrorBit Flash Family |
| S29GL032M10BFIR63 | 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:MirrorBit Flash Family |
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