參數(shù)資料
型號(hào)： AM29LV065MU30EF
廠商： Advanced Micro Devices, Inc.
英文描述： 64 Megabit (8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/O⑩ Control
中文描述： 64兆位（8米× 8位）的MirrorBit⑩3.0伏特，只有統(tǒng)一部門閃存記憶體與VersatileI /輸出⑩控制
文件頁(yè)數(shù)： 21/62頁(yè)
文件大小： 778K
代理商： AM29LV065MU30EF
September 12, 2006
Am29LV065MU
19
D A T A S H E E T
Temporary Sector Group Unprotect
(
Note:
In this device, a sector group consists of four adjacent
sectors that are protected or unprotected at the same time
(see Table 4).
This feature allows temporary unprotection of previ-
ously protected sector groups to change data in-sys-
tem. The Sector Group Unprotect mode is activated by
setting the RESET# pin to
VID
. During this mode, for-
merly 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.
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)
Notes:
1. All protected sector groups unprotected.
2. All previously protected sector groups are protected
once again.
相關(guān)PDF資料
PDF描述
AM29LV065MU30FF 64 Megabit (8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/O⑩ Control
AM29LV065MU30FI 64 Megabit (8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/O⑩ Control
AM29LV065MU30WHF 64 Megabit (8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/O⑩ Control
AM29LV065MU30WHI 64 Megabit (8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/O⑩ Control
AM29LV065MU40EF 64 Megabit (8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/O⑩ Control
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