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| 型號： | AM29LV256MH110FF |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | 256 Megabit (16 M x 16-Bit/32 M x 8-Bit) MirrorBitTM 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/OTM Control |
| 中文描述： | 256兆位（16 M中的x 16-Bit/32 M中的x 8位）MirrorBitTM 3.0伏特，只有統(tǒng)一閃存部門與VersatileI /價外控制 |
| 文件頁數(shù)： | 26/69頁 |
| 文件大?。?/td> | 546K |
| 代理商： | AM29LV256MH110FF |
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Am29LV256M
December 16, 2005
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. The hardware sector group unprotection fea-
ture re-enables both program and erase operations in
previously protected sector groups. Sector group pro-
tection/unprotection can be implemented via two
methods.
Sector group protection/unprotection requires V
ID
on
the RESET# pin only, and can be implemented either
in-system or via programming equipment. Figure 2
shows the algorithms and Figure 23 shows the timing
diagram. For sector group unprotect, all unprotected
sector groups must first be protected prior to the first
sector group unprotect write cycle.
Note that the sec-
tor group unprotect algorithm unprotects all sector
groups in parallel. All previously protected sector
groups must be individually re-protected.
The device is shipped with all sector groups unpro-
tected. AMD offers the option of programming and pro-
tecting sector groups at its factory prior to shipping the
device through AMD’s ExpressFlash Service. Con-
tact an AMD representative for details.
It is possible to determine whether a sector group is
protected or unprotected. See the
Autoselect Mode
section for details.
Table 4.
Sector Group Protection/Unprotection
Address Table
Sector Group
A23–A15
SA0
000000000
SA1
000000001
SA2
000000010
SA3
000000011
SA4–SA7
0000001xx
SA8–SA11
0000010xx
SA12–SA15
0000011xx
SA16–SA19
0000100xx
SA20–SA23
0000101xx
SA24–SA27
0000110xx
SA28–SA31
0000111xx
SA32–SA35
0001000xx
SA36–SA39
0001001xx
SA40–SA43
0001010xx
SA44–SA47
0001011xx
SA48–SA51
0001100xx
SA52–SA55
0001101xx
SA56–SA59
0001110xx
SA60–SA63
0001111xx
SA64–SA67
0010000xx
SA68–SA71
0010001xx
SA72–SA75
0010010xx
SA76–SA79
0010011xx
SA80–SA83
0010100xx
SA84–SA87
0010101xx
SA88–SA91
0010110xx
SA92–SA95
0010111xx
SA96–SA99
0011000xx
SA100–SA103
0011001xx
SA104–SA107
0011010xx
SA108–SA111
0011011xx
SA112–SA115
0011100xx
SA116–SA119
0011101xx
SA120–SA123
0011110xx
SA124–SA127
0011111xx
SA128–SA131
0100000xx
SA132–SA135
0100001xx
SA136–SA139
0100010xx
SA140–SA143
0100011xx
SA144–SA147
0100100xx
SA148–SA151
0100101xx
SA152–SA155
0100110xx
SA156–SA159
0100111xx
SA160–SA163
0101000xx
SA164–SA167
0101001xx
SA168–SA171
0101010xx
SA172–SA175
0101011xx
SA176–SA179
0101100xx
SA180–SA183
0101101xx
SA184–SA187
0101110xx
SA188–SA191
0101111xx
SA192–SA195
0110000xx
SA196–SA199
0110001xx
SA200–SA203
0110010xx
SA204–SA207
0110011xx
SA208–SA211
0110100xx
SA212–SA215
0110101xx
SA216–SA219
0110110xx
SA220–SA223
0110111xx
SA224–SA227
0111000xx
SA228–SA231
0111001xx
SA232–SA235
0111010xx
SA236–SA239
0111011xx
SA240–SA243
0111100xx
SA244–SA247
0111101xx
Sector Group
A23–A15
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM29LV256MH110FI | 256 Megabit (16 M x 16-Bit/32 M x 8-Bit) MirrorBitTM 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/OTM Control |
| AM29LV256MH110PGF | 256 Megabit (16 M x 16-Bit/32 M x 8-Bit) MirrorBitTM 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/OTM Control |
| AM29LV256MH110PGI | 256 Megabit (16 M x 16-Bit/32 M x 8-Bit) MirrorBitTM 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/OTM Control |
| AM29LV256MH113EF | 256 Megabit (16 M x 16-Bit/32 M x 8-Bit) MirrorBitTM 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/OTM Control |
| AM29LV256MH113EI | 256 Megabit (16 M x 16-Bit/32 M x 8-Bit) MirrorBitTM 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/OTM Control |
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