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參數(shù)資料
| 型號： | A29L320UV-90 |
| 廠商： | AMIC Technology Corporation |
| 英文描述： | ACCESSORY POUCH FOR B&K PRECISION 1420/1422 SERIES TEST INSTRUMENTS RoHS Compliant: NA |
| 中文描述： | 4米× 8位/ 2米× 16位CMOS 3.3伏只，引導扇區(qū)閃存 |
| 文件頁數(shù)： | 12/44頁 |
| 文件大小： | 588K |
| 代理商： | A29L320UV-90 |
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A29L320 Series
PRELIMINARY
(September, 2005, Version 0.0)
11
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 Codes
(High Voltage Method) table. In addition, when 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. A29L320 Autoselect Codes (High Voltage Method)
Description
Mode
CE
OE
WE
A20
to
A12
A11
to
A10
A9
A8
to
A7
A6
A5
to
A2
A1
A0
I/O
8
to
I/O
15
I/O
7
to
I/O
0
Manufacturer ID: AMIC
L
L
H
X
X
V
ID
X
L
X
L
L
X
37h
Word
22h
F6h
Device ID:
A29L320
(Top Boot Block)
Byte
L
L
H
X
X
V
ID
X
L
X
L
H
X
F6h
Word
22h
F9h
Device ID:
A29L320
(Bottom Boot Block)
Byte
L
L
H
X
X
V
ID
X
L
X
L
H
X
F9h
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.
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A29L320UV-90F | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:4M X 8 Bit / 2M X 16 Bit CMOS 3.3 Volt-only, Boot Sector Flash Memory |
| A29L320UV-90I | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:4M X 8 Bit / 2M X 16 Bit CMOS 3.3 Volt-only, Boot Sector Flash Memory |
| A29L320UV-90IF | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:4M X 8 Bit / 2M X 16 Bit CMOS 3.3 Volt-only, Boot Sector Flash Memory |
| A29L320UV-90U | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:4M X 8 Bit / 2M X 16 Bit CMOS 3.3 Volt-only, Boot Sector Flash Memory |
| A29L320UV-90UF | 制造商:AMICC 制造商全稱:AMIC Technology 功能描述:4M X 8 Bit / 2M X 16 Bit CMOS 3.3 Volt-only, Boot Sector Flash Memory |
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