參數(shù)資料
型號： A29400UV-90
廠商： AMIC Technology Corporation
英文描述： LOGIC PROBE 20MHZ
中文描述： 為512k × 8位/ 256 × 16位的CMOS 5.0伏只，引導(dǎo)扇區(qū)閃存
文件頁數(shù)： 6/33頁
文件大?。?/td> 497K
代理商： A29400UV-90
A29400 Series
PRELIMINARY (February, 2001, Version 0.1)
6
AMIC Technology, Inc.
Table 2. A29400 Top Boot Block Sector Address Table
Address Range (in hexadecimal)
(x8)
Address Range
00000h - 0FFFFh 00000h - 07FFFh
10000h - 1FFFFh 08000h - 0FFFFh
20000h - 2FFFFh 10000h - 17FFFh
30000h - 3FFFFh 18000h - 1FFFFh
40000h - 4FFFFh 20000h - 27FFFh
50000h - 5FFFFh 28000h - 2FFFFh
60000h - 6FFFFh 30000h - 37FFFh
70000h - 77FFFh 38000h - 3BFFFh
78000h - 79FFFh 3C000h - 3CFFFh
7A000h - 7BFFFh 3D000h - 3DFFFh
7C000h - 7FFFFh 3E000h - 3FFFFh
Sector
A17
A16
A15
A14
A13
A12
Sector Size
(Kbytes/Kwords)
(x16)
Address Range
SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
SA10
0
0
0
0
1
1
1
1
1
1
1
0
0
1
1
0
0
1
1
1
1
1
0
1
0
1
0
1
0
1
1
1
1
X
X
X
X
X
X
X
0
1
1
1
X
X
X
X
X
X
X
X
0
0
1
X
X
X
X
X
X
X
X
0
1
X
64/32
64/32
64/32
64/32
64/32
64/32
64/32
32/16
8/4
8/4
16/8
Table 3. A29400 Bottom Boot Block Sector Address Table
Address Range
(x8)
Address Range
00000h - 03FFFh 00000h - 01FFFh
04000h - 05FFFh 02000h - 02FFFh
06000h - 07FFFh 03000h - 03FFFh
08000h - 0FFFFh 04000h - 07FFFh
10000h - 1FFFFh 08000h - 0FFFFh
20000h - 2FFFFh 10000h - 17FFFh
30000h - 3FFFFh 18000h - 1FFFFh
40000h - 4FFFFh 20000h - 27FFFh
50000h - 5FFFFh 28000h - 2FFFFh
60000h - 6FFFFh 30000h - 37FFFh
70000h - 7FFFFh 38000h - 3FFFFh
Sector
A17
A16
A15
A14
A13
A12
Sector Size
(Kbytes)
(x16)
Address Range
SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
SA10
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
1
1
0
0
1
1
0
0
0
0
1
0
1
0
1
0
1
0
0
0
1
X
X
X
X
X
X
X
0
1
1
X
X
X
X
X
X
X
X
X
0
1
X
X
X
X
X
X
X
X
16/8
8/4
8/4
32/16
64/32
64/32
64/32
64/32
64/32
64/32
64/32
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.
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