參數(shù)資料
型號(hào)： AM29F080B-90FCB
廠商： ADVANCED MICRO DEVICES INC
元件分類： PROM
英文描述： 8 Megabit (1 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory
中文描述： 1M X 8 FLASH 5V PROM, 90 ns, PDSO40
封裝： REVERSE, TSOP-40
文件頁(yè)數(shù)： 9/37頁(yè)
文件大?。?/td> 451K
代理商： AM29F080B-90FCB
Am29F080B
9
P R E L I M I N A R Y
Table 2.
Am29F080B Sector Address Table
Note:
All sectors are 64 Kbytes in size.
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
Autoselect Codes (High Voltage Method) table. In addi-
tion, when verifying sector protection, the sector ad-
dress must appear on the appropriate highest order
address bits. Refer to the corresponding Sector Ad-
dress 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 program-
ming equipment may then read the corresponding
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 the Command Defini-
tions table. This method does not require V
ID
. See
“Command Definitions” for details on using the autose-
lect mode.
Sector
SA0
A19
0
A18
0
A17
0
A16
0
Address Range
000000h–00FFFFh
SA1
0
0
0
1
010000h–01FFFFh
SA2
0
0
1
0
020000h–02FFFFh
SA3
0
0
1
1
030000h–03FFFFh
SA4
0
1
0
0
040000h–04FFFFh
SA5
0
1
0
1
050000h–05FFFFh
SA6
0
1
1
0
060000h–06FFFFh
SA7
0
1
1
1
070000h–07FFFFh
SA8
1
0
0
0
080000h–08FFFFh
SA9
1
0
0
1
090000h–09FFFFh
SA10
1
0
1
0
0A0000h–0AFFFFh
SA11
1
0
1
1
0B0000h–0BFFFFh
SA12
1
1
0
0
0C0000h–0CFFFFh
SA13
1
1
0
1
0D0000h–0DFFFFh
SA14
1
1
1
0
0E0000h–0EFFFFh
SA15
1
1
1
1
0F0000h–0FFFFFh
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