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29400 Datasheet(PDF) 6 Page - AMIC Technology

Part # 29400
Description  512K X 8 Bit / 256K X 16 Bit CMOS 5.0 Volt-only, Boot Sector Flash Memory
PDF  33 Pages
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Manufacturer  AMICC [AMIC Technology]
Direct Link  http://www.amictechnology.com
Logo AMICC - AMIC Technology

29400 Datasheet(HTML) 6 Page - AMIC Technology

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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)
Sector
A17
A16
A15
A14
A13
A12
Sector Size
(Kbytes/Kwords)
(x8)
Address Range
(x16)
Address Range
SA0
0
0
0
X
X
X
64/32
00000h - 0FFFFh 00000h - 07FFFh
SA1
0
0
1
X
X
X
64/32
10000h - 1FFFFh 08000h - 0FFFFh
SA2
0
1
0
X
X
X
64/32
20000h - 2FFFFh 10000h - 17FFFh
SA3
0
1
1
X
X
X
64/32
30000h - 3FFFFh 18000h - 1FFFFh
SA4
1
0
0
X
X
X
64/32
40000h - 4FFFFh 20000h - 27FFFh
SA5
1
0
1
X
X
X
64/32
50000h - 5FFFFh 28000h - 2FFFFh
SA6
1
1
0
X
X
X
64/32
60000h - 6FFFFh 30000h - 37FFFh
SA7
1
1
1
0
X
X
32/16
70000h - 77FFFh 38000h - 3BFFFh
SA8
1
1
1
1
0
0
8/4
78000h - 79FFFh 3C000h - 3CFFFh
SA9
1
1
1
1
0
1
8/4
7A000h - 7BFFFh 3D000h - 3DFFFh
SA10
1
1
1
1
1
X
16/8
7C000h - 7FFFFh 3E000h - 3FFFFh
Table 3. A29400 Bottom Boot Block Sector Address Table
Address Range
Sector
A17
A16
A15
A14
A13
A12
Sector Size
(Kbytes)
(x8)
Address Range
(x16)
Address Range
SA0
0
0
0
0
0
X
16/8
00000h - 03FFFh 00000h - 01FFFh
SA1
0
0
0
0
1
0
8/4
04000h - 05FFFh 02000h - 02FFFh
SA2
0
0
0
0
1
1
8/4
06000h - 07FFFh 03000h - 03FFFh
SA3
0
0
0
1
X
X
32/16
08000h - 0FFFFh 04000h - 07FFFh
SA4
0
0
1
X
X
X
64/32
10000h - 1FFFFh 08000h - 0FFFFh
SA5
0
1
0
X
X
X
64/32
20000h - 2FFFFh 10000h - 17FFFh
SA6
0
1
1
X
X
X
64/32
30000h - 3FFFFh 18000h - 1FFFFh
SA7
1
0
0
X
X
X
64/32
40000h - 4FFFFh 20000h - 27FFFh
SA8
1
0
1
X
X
X
64/32
50000h - 5FFFFh 28000h - 2FFFFh
SA9
1
1
0
X
X
X
64/32
60000h - 6FFFFh 30000h - 37FFFh
SA10
1
1
1
X
X
X
64/32
70000h - 7FFFFh 38000h - 3FFFFh
Autoselect Mode
The autoselect mode provides manufacturer and device
identification, and sector protection verification, through
identifier codes output on I/O7
- I/O0. 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 VID (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/O7 - I/O0.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 VID. See "Command Definitions" for details on
using the autoselect mode.



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