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參數(shù)資料
| 型號： | A29L400AUG-90UF |
| 廠商： | AMIC Technology Corporation |
| 英文描述： | 512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| 中文描述： | 為512k × 8位/ 256 × 16位的CMOS 3.0伏只，引導扇區(qū)閃存 |
| 文件頁數(shù)： | 9/38頁 |
| 文件大?。?/td> | 539K |
| 代理商： | A29L400AUG-90UF |
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A29L400A Series
PRELIMINARY
(July, 2005, Version 0.0)
8
AMIC Technology, Corp.
Autoselect Mode
The autoselect mode provides manufacturer and device
identification, and sector protection verification, through
identifier codes output on I/O
7
- I/O
0
. This mode is primarily
intended for programming equipment to automatically
match a device to be programmed 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
(11.5V to 12.5 V) on address pin A9. Address
pins A6, A1, and A0 must be as shown in Autoselect
verifying sector protection, the sector address must appear
on the appropriate highest order address bits. Refer to the
corresponding Sector Address Tables. The Command
Definitions table shows the remaining address bits that are
don't care. When all necessary bits have been set as
required, the programming equipment may then read the
corresponding identifier code on I/O
7
- I/O
0
.To access the
autoselect codes in-system, the host system can issue the
autoselect command via the command register, as shown
in the Command Definitions table. This method does not
require V
ID
. See "Command Definitions" for details on using
the autoselect mode.
Table 4. A29L400A Autoselect Codes (High Voltage Method)
Description
Mode
CE
L
OE
L
WE
A17
to
A12
A11
to
A10
A9
A8
to
A7
X
A6
A5
to
A2
X
A1
A0
I/O
8
to
I/O
15
X
B3h
I/O
7
to
I/O
0
37h
34h
Manufacturer ID: AMIC
Device ID:
A29L400A
(Top Boot Block)
Device ID:
A29L400A
(Bottom Boot
Block)
H
X
X
V
ID
L
L
L
Word
Byte
L
L
H
X
X
V
ID
X
L
X
L
H
X
34h
Word
B3h
B5h
Byte
L
L
H
X
X
V
ID
X
L
X
L
H
X
B5h
Continuation ID
L
L
H
X
X
V
ID
X
L
X
H
H
X
7Fh
X
01h
(protected)
00h
(unprotected)
Sector Protection
Verification
L
L
H
SA
X
V
ID
X
L
X
H
L
X
L=Logic Low= V
IL
, H=Logic High=V
IH
, SA=Sector Address, X=Don’t Care.
Note: The autoselect codes may also be accessed in-system via command sequences.
相關PDF資料 |
PDF描述 |
|---|---|
| A29L400ATG-90I | 512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| A29L400ATG-90IF | 512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| A29L400ATG-90U | 512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| A29L400ATM-70 | 512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| A29L400ATM-70F | 512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| A29L400AUM-70 | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| A29L400AUM-70F | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| A29L400AUM-70I | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| A29L400AUM-70IF | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| A29L400AUM-70U | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:512K X 8 Bit / 256K X 16 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory |
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