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参数资料
| 型号： | M410000020 |
| 厂商： | Advanced Micro Devices, Inc. |
| 英文描述： | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM |
| 中文描述： | 32兆位（4个M × 8位/ 2米x 16位），3.0伏的CMOS只，同时作业闪存和4兆位（512亩x 8-Bit/256亩x 16位），静态存储器 |
| 文件页数： | 23/65页 |
| 文件大小： | 582K |
| 代理商： | M410000020 |
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22
Am41DL32x4G
November 12, 2001
P R E L I M I N A R Y
Note that the WP#/ACC pin must not be left floating or
unconnected; inconsistent behavior of the device may
result.
Temporary Sector/Sector Block Unprotect
(Note: For the following discussion, the term
“
sector
”
applies to both sectors and sector blocks. A sector
block consists of two or more adjacent sectors that are
protected or unprotected at the same time (see Table
10).
This feature allows temporary unprotection of previ-
ously protected sectors to change data in-system. The
Sector Unprotect mode is activated by setting the RE-
SET# pin to V
ID
(11.5 V
–
12.5 V). During this mode,
formerly protected sectors can be programmed or
erased by selecting the sector addresses. Once V
ID
is
removed from the RESET# pin, all the previously pro-
tected sectors are protected again. Figure 1 shows the
algorithm, and Figure 25 shows the timing diagrams,
for this feature.
Figure 1.
Temporary Sector Unprotect Operation
START
Perform Erase or
Program Operations
RESET# = V
IH
Temporary Sector
Unprotect Completed
(Note 2)
RESET# = V
ID
(Note 1)
Notes:
1. All protected sectors unprotected (If WP#/ACC = V
IL
,
outermost boot sectors will remain protected).
2. All previously protected sectors are protected once
again.
相关PDF资料 |
PDF描述 |
|---|---|
| M410000021 | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM |
| M410000022 | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM |
| M410000023 | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM |
| M410000024 | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM |
| M410000025 | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M410000021 | 制造商:AMD 制造商全称:Advanced Micro Devices 功能描述:32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM |
| M410000022 | 制造商:AMD 制造商全称:Advanced Micro Devices 功能描述:32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM |
| M410000023 | 制造商:AMD 制造商全称:Advanced Micro Devices 功能描述:32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM |
| M410000024 | 制造商:AMD 制造商全称:Advanced Micro Devices 功能描述:32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM |
| M410000025 | 制造商:AMD 制造商全称:Advanced Micro Devices 功能描述:32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM |
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