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A29L004 View Datasheet(PDF) - AMIC Technology

Part NameDescriptionManufacturer
A29L004 512K X 8 Bit CMOS 3.0 Volt-only, Boot Sector Flash Memory AMICC
AMIC Technology AMICC
A29L004 Datasheet PDF : 39 Pages
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Table 2. A29L004 Top Boot Block Sector Address Table
A29L004 Series
Sector
A18
A17
A16
A15
A14
A13
Sector Size
(Kbytes)
Address Range
(in hexadecimal)
SA0
0
0
0
X
X
X
64
00000h - 0FFFFh
SA1
0
0
1
X
X
X
64
10000h - 1FFFFh
SA2
0
1
0
X
X
X
64
20000h - 2FFFFh
SA3
0
1
1
X
X
X
64
30000h - 3FFFFh
SA4
1
0
0
X
X
X
64
40000h - 4FFFFh
SA5
1
0
1
X
X
X
64
50000h - 5FFFFh
SA6
1
1
0
X
X
X
64
60000h - 6FFFFh
SA7
1
1
1
0
X
X
32
70000h - 77FFFh
SA8
1
1
1
1
0
0
8
78000h - 79FFFh
SA9
1
1
1
1
0
1
8
7A000h - 7BFFFh
SA10
1
1
1
1
1
X
16
7C000h - 7FFFFh
Table 3. A29L004 Bottom Boot Block Sector Address Table
Sector
A18
A17
A16
A15
A14
A13
Sector Size
(Kbytes)
Address Range
(in hexadecimal)
SA0
0
0
0
0
0
X
16
00000h - 03FFFh
SA1
0
0
0
0
1
0
8
04000h - 05FFFh
SA2
0
0
0
0
1
1
8
06000h - 07FFFh
SA3
0
0
0
1
X
X
32
08000h - 0FFFFh
SA4
0
0
1
X
X
X
64
10000h - 1FFFFh
SA5
0
1
0
X
X
X
64
20000h - 2FFFFh
SA6
0
1
1
X
X
X
64
30000h - 3FFFFh
SA7
1
0
0
X
X
X
64
40000h - 4FFFFh
SA8
1
0
1
X
X
X
64
50000h - 5FFFFh
SA9
1
1
0
X
X
X
64
60000h - 6FFFFh
SA10
1
1
1
X
X
X
64
70000h - 7FFFFh
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 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/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.
PRELIMINARY (October, 2002, Version 0.0)
8
AMIC Technology, Corp.
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