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參數資料
型號： S29GL032A90TAIR20
廠商： SPANSION LLC
元件分類： PROM
英文描述： 64 MEGABIT 32MEGABIT 3.0 BOLT ONLY PAGE MODE FLASH MEMORY
中文描述： 2M X 16 FLASH 3V PROM, 90 ns, PDSO56
封裝： MO-142EC, TSOP-56
文件頁數： 36/95頁
文件大小： 3585K
代理商： S29GL032A90TAIR20
May 21, 2008 S29GL-A_00_A12
S29GL-A
41
Data
She e t
7.9
Sector Group Protection and Unprotection
The hardware sector group protection feature disables both program and erase operations in any sector
group (see Table 7.11 on page 38 to Table 7.22 on page 45). 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 VID on the RESET# pin only, and can be implemented either in-
system or via programming equipment. Figure 7.2 on page 46 shows the algorithms and Figure 16.13
on page 86 shows the timing diagram. This method uses standard microprocessor bus cycle timing. For
sector group unprotect, all unprotected 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
protecting 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 Autoselect Mode
on page 40 for details.
Table 7.13 S29GL016A (Model R1, 01) Sector Group Protection/Unprotection Addresses
Sector
A19–A12
Sector/Sector
Block Size
(Kbytes)
Sector
A19–A12
Sector/Sector
Block Size
(Kbytes)
SA0-SA3
000XXXXXh
256 (4x64)
SA31
11111000h
8
SA4-SA7
001XXXXXh
256 (4x64)
SA32
11111001h
8
SA8-SA11
010XXXXXh
256 (4x64)
SA33
11111010h
8
SA12-SA15
011XXXXXh
256 (4x64)
SA34
11111011h
8
SA16-SA19
100XXXXXh
256 (4x64)
SA35
11111100h
8
SA20-SA23
101XXXXXh
256 (4x64)
SA36
11111101h
8
SA24-SA27
110XXXXXh
256 (4x64)
SA37
11111110h
8
SA28-SA30
11100XXXh
192 (3x64)
SA38
11111111h
8
11101XXXh
11110XXXh
Table 7.14 S29GL016A (Model R2, 02) Sector Group Protection/Unprotection Addresses
Sector
A19–A12
Sector/Sector
Block Size
(Kbytes)
Sector
A19–A12
Sector/Sector
Block Size
(Kbytes)
SA0
00000000h
8
SA8–SA10
00001XXXh
192 (3x64)
SA1
00000001h
8
00010XXXh
SA2
00000010h
8
00011XXXh
SA3
00000011h
8
SA11–SA14
001XXXXXh
256 (4x64)
SA4
00000100h
8
SA15–SA18
010XXXXXh
256 (4x64)
SA5
00000101h
8
SA19–SA22
011XXXXXh
256 (4x64)
SA6
00000110h
8
SA23–SA26
100XXXXXh
256 (4x64)
SA7
00000111h
8
SA27-SA30
101XXXXXh
256 (4x64)
SA31-SA34
110XXXXXh
256 (4x64)
SA35-SA38
111XXXXXh
256 (4x64)
相關PDF資料
PDF描述
S29GL032A90TAIR22 64 MEGABIT 32MEGABIT 3.0 BOLT ONLY PAGE MODE FLASH MEMORY
S29GL032A90TAIR23 64 MEGABIT 32MEGABIT 3.0 BOLT ONLY PAGE MODE FLASH MEMORY
S29GL032A90TAIR30 64 MEGABIT 32MEGABIT 3.0 BOLT ONLY PAGE MODE FLASH MEMORY
S29GL032A90TAIR32 64 MEGABIT 32MEGABIT 3.0 BOLT ONLY PAGE MODE FLASH MEMORY
S29GL032A90TAIR13 64 MEGABIT 32MEGABIT 3.0 BOLT ONLY PAGE MODE FLASH MEMORY
相關代理商/技術參數
參數描述
S29GL032A90TAIR21 制造商:SPANSION 制造商全稱:SPANSION 功能描述:64 MEGABIT 32MEGABIT 3.0 BOLT ONLY PAGE MODE FLASH MEMORY
S29GL032A90TAIR22 制造商:Spansion 功能描述:FLASH PARALLEL 3V/3.3V 32MBIT 4MX8/2MX16 90NS 56TSOP - Trays
S29GL032A90TAIR23 制造商:SPANSION 制造商全稱:SPANSION 功能描述:64 MEGABIT 32MEGABIT 3.0 BOLT ONLY PAGE MODE FLASH MEMORY
S29GL032A90TAIR30 制造商:SPANSION 制造商全稱:SPANSION 功能描述:64 MEGABIT 32MEGABIT 3.0 BOLT ONLY PAGE MODE FLASH MEMORY
S29GL032A90TAIR31 制造商:SPANSION 制造商全稱:SPANSION 功能描述:64 MEGABIT 32MEGABIT 3.0 BOLT ONLY PAGE MODE FLASH MEMORY
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