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Bottom boot sector architecture (AS29F002B)
Top boot sector architecture (AS29F002T)
Sector
Size (Kbytes)
Size (Kbytes)
0
1
2
3
4
5
6
00000h–03FFFh
04000h–05FFFh
06000h–07FFFh
08000h–0FFFFh
10000h–1FFFFh
20000h–2FFFFh
30000h–3FFFFh
16
8
00000h–0FFFFh
10000h–1FFFFh
20000h–2FFFFh
30000h–37FFFh
38000h–39FFFh
3A000h–3BFFFh
3C000h–3FFFFh
64
64
64
32
8
8
32
64
64
64
8
16
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Bottom boot sector address (AS29F002B)
Top boot sector address (AS29F002T)
Sector
A17
0
A16
0
A15
0
A14
0
A13
X
0
A17
0
A16
0
A15
X
X
X
0
A14
X
X
X
X
0
A13
X
X
X
X
0
0
1
2
3
4
5
6
0
0
0
1
0
1
0
0
0
1
1
1
0
0
0
1
X
X
X
X
X
X
X
X
1
1
0
1
X
X
X
1
1
1
1
0
1
1
1
0
1
1
1
1
1
1
1
X
2SHUDWLQJꢀPRGHV
Mode
CE
L
OE
L
WE
A0
L
A1
A6
L
A9
RESET
H
DQ
ID read MFR code
ID read device code
Read
H
L
V
Code
ID
L
L
H
H
A0
X
X
A0
L
L
L
V
H
Code
ID
L
L
H
A1
X
X
A1
H
H
H
A6
X
X
A6
L
A9
X
H
DOUT
High Z
High Z
Standby
H
L
X
H
H
X
H
Output disable
Write
H
X
H
L
L
A9
H
D
IN
Enable sector protect
Sector unprotect
Verify sector protect
L
V
Pulse/ L
Pulse/ L
H
V
H
X
ID
ID
L
V
L
H
L
V
H
X
ID
ID
L
L
L
V
H
Code
ID
Temporary sector
unprotect
X
X
X
X
X
X
X
X
X
X
X
V
X
ID
Hardware reset
X
X
X
L
High Z
L = Low (<V ); H = High (>V ); V = 12.0 ± 0.5V; X = Don’t care.
IL
IH
ID
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ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
