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參數(shù)資料
| 型號： | AM29LV640MT100RPCI |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | PROM |
| 英文描述： | 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory |
| 中文描述： | 4M X 16 FLASH 3V PROM, 100 ns, PBGA64 |
| 封裝： | 13 X 11 MM, 1 MM PITCH, FORTIFIED, BGA-64 |
| 文件頁數(shù)： | 21/66頁 |
| 文件大?。?/td> | 836K |
| 代理商： | AM29LV640MT100RPCI |
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February1,2007 26190C8
Am29LV640MT/B
19
D A T A S H E E T
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 programmed
with its corresponding programming algorithm. How-
ever, the autoselect codes can 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 set as shown in
Table
4
. In addition, when verifying sector protection, the
sector address must appear on the appropriate high-
est order address bits (see Tables
2
and
3
).
Table 4
shows the remaining address bits that are don’t care.
When all necessary bits have been set as required,
the programming equipment can then read the corre-
sponding 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
Table 12
and
Table 13
.
This method does not require V
ID
. See
Autoselect
Command Sequence on page 28
for more informa-
tion.
Table 4.
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
DQ8 to DQ15
DQ7 to DQ0
BYTE#
= V
IH
BYTE#
= 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
10h
Cycle 3
H
H
H
22
X
00 (bottom boot)
01h (top boot)
Sector Protection
Verification
L
L
H
SA
X
V
ID
X
L
X
L
H
L
X
X
01h (protected),
00h (unprotected)
Secured Silicon Sector
Indicator Bit (DQ7),
WP# protects top two
address sector
L
L
H
X
X
V
ID
X
L
X
L
H
H
X
X
98h (factory locked),
18h (not factory locked)
Secured Silicon
Sector
Indicator Bit (DQ7),
WP# protects bottom
two address sector
L
L
H
X
X
V
ID
X
L
X
L
H
H
X
X
88h (factory locked),
08h (not factory locked)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM29LV640MT100RWHF | 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory |
| AM29LV640MT100RWHI | 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory |
| AM29LV640MT100WHF | 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory |
| AM29LV640MT100WHI | 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory |
| AM29LV640MT110EF | 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory |
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