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參數(shù)資料
| 型號： | AM29F400BT-90SEB |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | PROM |
| 英文描述： | 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory |
| 中文描述： | 512K X 8 FLASH 5V PROM, 90 ns, PDSO44 |
| 封裝： | SOP-44 |
| 文件頁數(shù)： | 9/37頁 |
| 文件大?。?/td> | 238K |
| 代理商： | AM29F400BT-90SEB |
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Am29F400B
9
P R E L I M I N A R Y
Table 2.
Am29F400BT Top Boot Block Sector Address Table
Table 3.
Am29F400BB Bottom Boot Block Sector Address Table
Note:
Address range is A17:A-1 in byte mode and A17:A0 in word mode. See “Word/Byte Configuration” section for more information.
Autoselect Mode
The autoselect mode provides manufacturer and de-
vice identification, and sector protection verification,
through identifier codes output on DQ7–DQ0. 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
(11.5 V to 12.5 V) on address pin
A9. Address pins A6, A1, and A0 must be as shown in
Table 4. In addition, when verifying sector protection,
the sector address must appear on the appropriate
highest order address bits (see Tables 2 and 3). Table
4 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 corre-
sponding identifier code on DQ7–DQ0.
To access the autoselect codes in-system, the host
system can issue the autoselect command via the
command register, as shown in Table 5. This method
does not require V
ID
. See “Command Definitions” for
details on using the autoselect mode.
Sector
SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
SA10
A17
0
0
0
0
1
1
1
1
1
1
1
A16
0
0
1
1
0
0
1
1
1
1
1
A15
0
1
0
1
0
1
0
1
1
1
1
A14
X
X
X
X
X
X
X
0
1
1
1
A13
X
X
X
X
X
X
X
X
0
0
1
A12
X
X
X
X
X
X
X
X
0
1
X
Sector Size
(Kbytes/
Kwords)
64/32
64/32
64/32
64/32
64/32
64/32
64/32
32/16
8/4
8/4
16/8
Address Range (in hexadecimal)
(x8)
Address Range
00000h–0FFFFh
10000h–1FFFFh
20000h–2FFFFh
30000h–3FFFFh
40000h–4FFFFh
50000h–5FFFFh
60000h–6FFFFh
70000h–77FFFh
78000h–79FFFh
7A000h–7BFFFh
7C000h–7FFFFh
(x16)
Address Range
00000h–07FFFh
08000h–0FFFFh
10000h–17FFFh
18000h–1FFFFh
20000h–27FFFh
28000h–2FFFFh
30000h–37FFFh
38000h–3BFFFh
3C000h–3CFFFh
3D000h–3DFFFh
3E000h–3FFFFh
Sector
SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
SA10
A17
0
0
0
0
0
0
0
1
1
1
1
A16
0
0
0
0
0
1
1
0
0
1
1
A15
0
0
0
0
1
0
1
0
1
0
1
A14
0
0
0
1
X
X
X
X
X
X
X
A13
0
1
1
X
X
X
X
X
X
X
X
A12
X
0
1
X
X
X
X
X
X
X
X
Sector Size
(Kbytes/
Kwords)
16/8
8/4
8/4
32/16
64/32
64/32
64/32
64/32
64/32
64/32
64/32
Address Range (in hexadecimal)
(x8)
Address Range
00000h–03FFFh
04000h–05FFFh
06000h–07FFFh
08000h–0FFFFh
10000h–1FFFFh
20000h–2FFFFh
30000h–3FFFFh
40000h–4FFFFh
50000h–5FFFFh
60000h–6FFFFh
70000h–7FFFFh
(x16)
Address Range
00000h–01FFFh
02000h–02FFFh
03000h–03FFFh
04000h–07FFFh
08000h–0FFFFh
10000h–17FFFh
18000h–1FFFFh
20000h–27FFFh
28000h–2FFFFh
30000h–37FFFh
38000h–3FFFFh
相關PDF資料 |
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| AM29F400BT-90SI | 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory |
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| AM29F400BT-90SC0 | 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory |
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| AM29F400BT-90EC0 | 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory |
相關代理商/技術參數(shù) |
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|---|---|
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| AM29F800BB120SC | 制造商:Advanced Micro Devices 功能描述: |
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