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Bottom boot sector architecture (AS29F200B)
Top boot sector architecture (AS29F200T)
Size
Size
Sector
×8
×16
(Kbytes)
×8
×16
(Kbytes)
0
1
2
3
4
5
6
00000h–03FFFh
04000h–05FFFh
06000h–07FFFh
08000h–0FFFFh
10000h–1FFFFh
20000h–2FFFFh
30000h–3FFFFh
00000h–01FFFh
02000h–02FFFh
03000h–03FFFh
04000h–07FFFh
08000h–0FFFFh
10000h–17FFFh
18000h–1FFFFh
16
8
00000h–0FFFFh
10000h–1FFFFh
20000h–2FFFFh
30000h–37FFFh
38000h–39FFFh
3A000h–3BFFFh
3C000h–3FFFFh
00000h–07FFFh
08000h–0FFFFh
10000h–17FFFh
18000h–1BFFFh
1C000h–1CFFFh
1D000h–1DFFFh
1E000h–1FFFFh
64
64
64
32
8
8
32
64
64
64
8
16
In word mode, there are one 8K word, two 4K word, one 16K word, and three 32K word sectors. Address range is A16–A-1 if BYTE = V ; address range is
IL
A16–A0 if BYTE = V .
IH
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Bottom boot sector address (AS29F200B)
Top boot sector address (AS29F200T)
Sector
A16
0
A15
0
A14
0
A13
0
A12
X
0
A16
0
A15
0
A14
X
X
X
0
A13
X
X
X
X
0
A12
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
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Mode
CE
L
OE
L
WE
A0
A1
L
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
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
X
H
L
L
A1
H
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
H
L
V
H
X
ID
ID
L
L
L
H
V
H
Code
ID
Temporary sector
unprotect
X
X
X
X
X
X
X
V
X
ID
Hardware Reset
X
X
X
X
X
X
X
L
High Z
L = Low (<V ); H = High (>V ); V = 12.0 ± 0.5V; X = don’t care; In ×16 mode, BYTE = V . In ×8 mode, BYTE = V and DQ8–14 is High Z with
IL
IH
ID
IH
IL
DQ15 = A-1(X).
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ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
