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參數(shù)資料
| 型號(hào)： | L6402MH10RI |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | 128 Megabit (4 M x 32-Bit/8 M x 16-Bit) MirrorBit⑩ 3.0 Volt-only Uniform Sector Flash Memory with Versatile I/O⑩ Control |
| 中文描述： | 128兆位（4個(gè)M x 32位/八米x 16位），3.0伏的MirrorBit⑩只閃光均勻部門與通用的I / O控制記憶⑩ |
| 文件頁數(shù)： | 17/57頁 |
| 文件大?。?/td> | 433K |
| 代理商： | L6402MH10RI |
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January 23, 2006
Am29LV6402M
15
Autoselect Mode
The autoselect mode provides manufacturer and de-
vice identification, and sector protection verification,
through identifier codes output on DQ7–DQ0. This
mode is primarily intended for programming equip-
ment to automatically match a device to be pro-
grammed with its corresponding programming
algorithm. However, the autoselect codes can also be
accessed in-system through the command register.
When using programming equipment, the autoselect
mode requires V
ID
on address pin A9. Address pins
A6, A3, A2, A1, and A0 must be as shown in Table 3.
In addition, when verifying sector protection, the sector
address must appear on the appropriate highest order
address bits (see Table 2). Table 3 shows the remain-
ing address bits that are don’t care. When all neces-
sary bits have been set as required, the programming
equipment may then read the corresponding identifier
code on DQ7–DQ0.
To access the autoselect codes in-system, the host
system can issue the autoselect command via the
command register, as shown in Tables
10
and
11
. This
method does not require V
ID
. Refer to the Autoselect
Command Sequence section for more information.
Table 3.
Autoselect Codes, (High Voltage Method)
Legend:
L = Logic Low = V
IL
, H = Logic High = V
IH
, SA = Sector Address, X = Don’t care.
Description
CE#
OE#
WE#
A21
to
A15
A14
to
A10
A9
A8
to
A7
A6
A5
to
A4
A3
to
A2
A1
A0
DQ23 to DQ16
DQ7 to DQ0
WORD#
= V
IH
WORD#
= V
IL
Manufacturer ID
:
AMD
L
L
H
X
X
V
ID
X
L
X
L
L
L
00
X
01h
D
Cycle 1
L
L
H
X
X
V
ID
X
L
X
L
L
H
22
X
7Eh
Cycle 2
H
H
L
22
X
0Ch
Cycle 3
H
H
H
22
X
01h
Sector Protection
Verification
L
L
H
SA
X
V
ID
X
L
X
L
H
L
X
X
01h (protected),
00h (unprotected)
SecSi Sector Indicator
Bit (DQ7), WP#
protects highest
address sector
L
L
H
X
X
V
ID
X
L
X
L
H
H
X
X
98h (factory locked),
18h (not factory locked)
SecSi Sector Indicator
Bit (DQ7), WP#
protects lowest
address sector
L
L
H
X
X
V
ID
X
L
X
L
H
H
X
X
88h (factory locked),
08h (not factory locked)
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