參數(shù)資料
型號(hào): AV9155-36W18L
英文描述: Low Cost 20-Pin Frequency Generator
中文描述: 低成本20引腳頻率發(fā)生器
文件頁數(shù): 3/14頁
文件大小: 358K
代理商: AV9155-36W18L
3
AV9155C
Functionality
- AV9155C-01
(Using 14.318 MHz input. All frequencies in MHz.)
CLOCK#2 CPU and 2XCPU
*V
DD
minimum 3.15V.
PERIPHERAL CLOCKS
K
L
C
M
M
O
C
)
n
(
REFERENCE CLOCKS
Functionality - AV9155C-02
(Using 14.318 MHz input. All frequencies in MHz.)
CLOCK#2 CPU and 2XCPU
* V
DD
minimum 3.15V
PERIPHERAL CLOCKS
K
L
C
M
M
O
C
)
n
REFERENCE CLOCKS
Frequency Transitions
A key feature of the
AV9155C
is its ability to provide smooth,
glitch-free frequency transitions on the CPU and 2XCPU
clocks when the frequency select pins are changed. These
frequency transitions do not violate the Intel 486 specification
of less than 0.1% frequency change per clock period.
Using an Input Clock as Reference
The
AV9155C
is designed to accept a 14.318 MHz crystal as
the input reference. With some external changes, it is possible
to use a crystal oscillator or clock input. Please see application
note AN04 for details on driving the
AV9155C
with a clock.
K
L
)
C
S
U
n
(
B
K
L
)
C
D
n
(
F
K
L
)
C
B
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(
K
3
4
8
6
1
4
2
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1
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3
4
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2
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1
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)
1
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C
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2
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1
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E
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n
8
1
3
1
8
1
3
1
1
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)
1
L
C
F
E
n
(
R
2
K
)
1
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C
F
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n
(
R
8
1
3
1
8
1
3
1
2
1
S
F
)
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1
1
S
F
)
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0
2
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)
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)
1
P
C
X
2
n
U
1
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)
n
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
8
1
3
4
5
6
6
8
0
1
6
2
0
0
6
*
0
0
*
4
8
1
2
2
3
3
0
4
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5
6
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*
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2
1
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1
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1
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0
0
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1
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8
1
3
4
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6
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1
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6
*
0
0
*
4
8
1
2
2
3
3
0
4
0
5
6
0
5
3
*
*
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