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參數資料
| 型號： | AM29LV200BB-70RSI |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | PROM |
| 英文描述： | 256K X 8 FLASH 3V PROM, 70 ns, PDSO44 |
| 封裝： | MO-180AA, SOP-44 |
| 文件頁數： | 41/41頁 |
| 文件大?。?/td> | 843K |
| 代理商： | AM29LV200BB-70RSI |
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Am29LV200B
9
If RESET# is asserted during a program or erase oper-
ation, the RY/BY# pin remains a “0” (busy) until the
internal reset operation is complete, which requires a
time of tREADY (during Embedded Algorithms). The
system can thus monitor RY/BY# to determine whether
the reset operation is complete. If RESET# is asserted
when a program or erase operation is not executing
(RY/BY# pin is “1”), the reset operation is completed
within a time of tREADY (not during Embedded Algo-
rithms). The system can read data tRH after the RESET#
pin returns to VIH.
Refer to the AC Characteristics tables for RESET#
parameters and to Figure 14 for the timing diagram.
Output Disable Mode
When the OE# input is at VIH, output from the device is
disabled. The output pins are placed in the high imped-
ance state.
Table 2.
Am29LV200BT Top Boot Block Sector Address Table
Table 3.
Am29LV200BB Bottom Boot Block Sector Address Table
Note for Tables 2 and 3: Address range is A16:A-1 in byte mode and A16:A0 in word mode. See “Word/Byte Configuration”
section.
Autoselect Mode
The autoselect mode provides manufacturer and
device 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 VID (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 VID. See “Am29LV200B Command
Definitions” for details on using the autoselect mode.
Sector
A16
A15
A14
A13
A12
Sector Size
(Kbytes/
Kwords)
Address Range (in hexadecimal)
(x8)
Address Range
(x16)
Address Range
SA0
0
X
64/32
00000h–0FFFFh
00000h–07FFFh
SA1
0
1
X
64/32
10000h–1FFFFh
08000h–0FFFFh
SA2
1
0
X
64/32
20000h–2FFFFh
10000h–17FFFh
SA3
1
0
X
32/16
30000h–37FFFh
18000h–1BFFFh
SA4
1
0
8/4
38000h–39FFFh
1C000h–1CFFFh
SA5
1
0
1
8/4
3A000h–3BFFFh
1D000h–1DFFFh
SA6
1
X
16/8
3C000h–3FFFFh
1E000h–1FFFFh
Sector
A16
A15
A14
A13
A12
Sector Size
(Kbytes/
Kwords)
Address Range (in hexadecimal)
(x8)
Address Range
(x16)
Address Range
SA0
0
X
16/8
00000h–03FFFh
00000h–01FFFh
SA1
0
1
0
8/4
04000h–05FFFh
02000h–02FFFh
SA2
0
1
8/4
06000h–07FFFh
03000h–03FFFh
SA3
0
1
X
32/16
08000h–0FFFFh
04000h–07FFFh
SA4
0
1
X
64/32
10000h–1FFFFh
08000h–0FFFFh
SA5
1
0
X
64/32
20000h–2FFFFh
10000h–17FFFh
SA6
1
X
64/32
30000h–3FFFFh
18000h–1FFFFh
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