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參數(shù)資料
| 型號： | A29512V-70 |
| 廠商： | AMIC Technology Corporation |
| 英文描述： | 64K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| 中文描述： | 64K的× 8位CMOS 5.0伏只，統(tǒng)一部門快閃記憶體 |
| 文件頁數(shù)： | 7/31頁 |
| 文件大小： | 293K |
| 代理商： | A29512V-70 |
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A29512 Series
PRELIMINARY (November, 2001, Version 0.0)
6
AMIC Technology, Inc.
Table 2. A29512 Block Sector Address Table
Sector
SA0
SA1
A15
0
1
Sector Size (Kbytes)
32
32
Address Range
00000h - 07FFFh
08000h - 0FFFFh
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 pinA9. 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 3. A29512 Autoselect Codes (High Voltage Method)
Description
A15
A14 - A10
A9
A8 - A7 A6
A5 - A2
A1
A0
Identifier Code on
I/O
7
- I/O
0
Manufacturer ID: AMIC
X
X
V
ID
X
V
IL
X
V
IL
V
IL
37h
Device ID: A29512
X
X
V
ID
X
V
IL
X
V
IL
V
IH
A4h
0lh (protected)
Sector Protection
Verification
Sector
Address
X
V
ID
X
V
IL
X
V
IH
V
IL
00h (unprotected)
Continuation ID
X
X
V
ID
X
V
IL
X
V
IH
V
IH
7Fh
Note:
CE
=V
IL
,
OE
=V
IL
and
WE
=V
IH
when Autoselect Mode
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