參數(shù)資料
型號: AM29LV200BB-70SK
廠商: Advanced Micro Devices, Inc.
元件分類: FLASH
英文描述: 2 Megabit (256 K x 8-Bit/128 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
中文描述: 2兆位(256Kx8Bit/128Kx16位),3.0伏的CMOS引導扇區(qū)閃存
文件頁數(shù): 13/46頁
文件大?。?/td> 716K
代理商: AM29LV200BB-70SK
October 10, 2006 21521D6
Am29LV200B
11
D AT A S H E E T
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 t
READY
(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 t
READY
(not during Embedded Algo-
rithms). The system can read data t
RH
after the RESET#
pin returns to V
IH
.
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 V
IH
, 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 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 “Am29LV200B Command
Definitions” for details on using the autoselect mode.
Sector
SA0
SA1
SA2
SA3
SA4
SA5
SA6
A16
0
0
1
1
1
1
1
A15
0
1
0
1
1
1
1
A14
X
X
X
0
1
1
1
A13
X
X
X
X
0
0
1
A12
X
X
X
X
0
1
X
Sector Size
(Kbytes/
Kwords)
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–37FFFh
38000h–39FFFh
3A000h–3BFFFh
3C000h–3FFFFh
(x16)
Address Range
00000h–07FFFh
08000h–0FFFFh
10000h–17FFFh
18000h–1BFFFh
1C000h–1CFFFh
1D000h–1DFFFh
1E000h–1FFFFh
Sector
SA0
SA1
SA2
SA3
SA4
SA5
SA6
A16
0
0
0
0
0
1
1
A15
0
0
0
0
1
0
1
A14
0
0
0
1
X
X
X
A13
0
1
1
X
X
X
X
A12
X
0
1
X
X
X
X
Sector Size
(Kbytes/
Kwords)
16/8
8/4
8/4
32/16
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
(x16)
Address Range
00000h–01FFFh
02000h–02FFFh
03000h–03FFFh
04000h–07FFFh
08000h–0FFFFh
10000h–17FFFh
18000h–1FFFFh
相關PDF資料
PDF描述
AM29LV200BB-70WAC 2 Megabit (256 K x 8-Bit/128 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
AM29LV200BB-70WAD 2 Megabit (256 K x 8-Bit/128 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
AM29LV200BB-70WAE 2 Megabit (256 K x 8-Bit/128 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
AM29LV200BB-70WAF 2 Megabit (256 K x 8-Bit/128 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
AM29LV200BB-70WAI 2 Megabit (256 K x 8-Bit/128 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
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