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參數(shù)資料
| 型號： | AM29LV320DB120EI |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | PROM |
| 英文描述： | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| 中文描述： | 2M X 16 FLASH 3V PROM, 120 ns, PDSO48 |
| 封裝： | MO-142B, TSOP-48 |
| 文件頁數(shù)： | 18/57頁 |
| 文件大小： | 636K |
| 代理商： | AM29LV320DB120EI |
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16
Am29LV320D
December 14, 2005
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 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
(11.5 V to 12.5 V) on address pin
A9. Address pins A6, A1, and A0 must be as shown in
Table 6 on page 16. In addition, when verifying sector
protection, the sector address must appear on the ap-
propriate highest order address bits (see Table 2 on
page 13 through Table 5 on page 15). Table 6 on
page 16 shows the remaining address bits that are
don’t care. When all necessary bits are set as re-
quired, 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 Table 14 on page 29.
This method does not require V
ID
. Refer to the “Au-
toselect Command Sequence” on page 25 section for
more information.
Table 6.
Autoselect Codes (High Voltage Method)
Legend:
T = Top Boot Block, B = Bottom Boot Block, L = Logic Low = V
IL
, H = Logic High = V
IH
, SA = Sector Address, X = Don’t
care.
Description
CE#
OE#
WE#
A20
to
A12
A11
to
A10
A9
A8
to
A7
A6
A5
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
X
X
01h
Device ID: Am29LV320D
L
L
H
X
X
V
ID
X
L
X
L
H
22h
X
F6 (T), F9h (B)
Sector Protection Verification
L
L
H
SA
X
V
ID
X
L
X
H
L
X
X
01h (protected),
00h (unprotected)
Secured Silicon Sector
Indicator Bit (DQ7)
L
L
H
X
X
V
ID
X
L
X
H
H
X
X
99h (factory locked),
19h (not factory locked)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM29LV320DB120EV | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| AM29LV320DB120EY | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| AM29LV320DB120WMD | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| AM29LV320DB120WMF | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| AM29LV320DB120WMI | 32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM29LV320DB120WMI | 制造商:Spansion 功能描述:Flash Mem Parallel 3V/3.3V 32M-Bit 4M x 8/2M x 16 120ns 48-Pin FBGA |
| AM29LV320DB90EC | 制造商:Spansion 功能描述:Flash Mem Parallel 3V/3.3V 32M-Bit 4M x 8/2M x 16 90ns 48-Pin TSOP |
| AM29LV320DB90ED | 制造商:Spansion 功能描述:Flash Mem Parallel 3V/3.3V 32M-Bit 4M x 8/2M x 16 90ns 48-Pin TSOP |
| AM29LV320DB90EF | 制造商:Spansion 功能描述:Flash Mem Parallel 3V/3.3V 32M-Bit 4M x 8/2M x 16 90ns 48-Pin TSOP |
| AM29LV320DB90EI | 制造商:Spansion 功能描述:Flash Mem Parallel 3V/3.3V 32M-Bit 4M x 8/2M x 16 90ns 48-Pin TSOP |
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