参数资料
型号: PI6C104
厂商: Pericom Semiconductor Corp.
英文描述: Spread Spectrum Clock Synthesizer for Desktop Pentium II
中文描述: 扩频时钟合成器为桌面奔腾II
文件页数: 5/14页
文件大小: 560K
代理商: PI6C104
238
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PS8164B 03/15/99
PI6C104
Spread Spectrum Clock Synthesizer
Table 1: Byte 3 Frequency and Spread Spectrum Table
Byte 0: Test Mode Table
S
F
S
3
B
N
E
S
S
1
B
0
S
6
B
1
S
5
B
2
S
4
B
)
H
M
(
U
P
C
)
H
M
(
C
P
)
%
(
d
a
e
p
S
1
0
0
0
0
5
7
0
3
F
F
O
1
0
0
0
1
8
6
4
3
F
F
O
1
0
0
1
0
6
6
3
3
F
F
O
1
0
0
1
1
8
6
4
3
F
F
O
1
0
1
0
0
2
1
1
3
3
F
F
O
1
0
1
0
1
3
8
3
3
F
F
O
1
0
1
1
0
0
0
1
3
3
F
F
O
1
0
1
1
1
0
0
1
3
3
F
F
O
1
1
0
0
0
5
7
0
3
5
+
~
5
1
1
0
0
1
8
6
4
3
9
+
~
9
1
1
0
1
0
6
6
3
3
0
+
~
0
1
1
0
1
1
8
6
4
3
5
+
~
5
1
1
1
0
0
2
1
1
3
3
5
+
~
5
1
1
1
0
1
3
8
3
3
5
+
~
5
1
1
1
1
0
0
0
1
3
3
0
+
~
1
1
1
1
1
1
0
0
1
3
3
0
+
~
5
1
t
0
0
1
1
B
0
t
0
1
0
1
B
U
P
C
e
a
2
X
e
a
-
H
I
C
P
e
a
6
X
e
a
-
H
M
H
M
8
4
2
X
M
8
4
-
H
8
4
M
/
H
4
X
H
M
-
H
4
2
M
C
H
I
P
M
A
8
n
8
1
-
H
/
E
3
1
R
e
l
d
m
o
M
r
N
T
S
e
1
1
z
f
R
4
2
z
1
X
t
S
1
1
z
H
Z
f
R
/
Z
4
2
z
H
M
Z
3
1
C
Z
Z
Byte 6 : REF Clock Control (1 = Enabled, 0 = Disabled)
#
t
B
p
u
P
#
n
e
m
a
N
n
o
D
7
0
~
D
V
S
R
d
e
R
6
5
4
2
1
0
~
2
~
~
2
2
D
E
D
D
N
N
V
C
V
S
R
S
R
F
R
F
R
S
R
I
A
d
a
E
d
d
g
H
g
H
1
e
R
I
A
e
R
e
R
F
E
R
F
E
R
E
F
R
4
N
e
a
E
s
a
D
,
C
1
V
E
E
6
6
1
0
1
0
e
e
0
N
E
a
E
a
E
F
R
e
e
h
h
1
1
N
0
0
e
D
w
o
L
1
0
t
a
D
,
D
l
m
r
N
0
1
e
D
h
g
H
1
1
Note:
Outputs are disabled @ low state
Notes:
Bit 3 = Enable Software
Frequency Select
Bit 1 = Enable Software
Frequency Select
Bit 6 = Frequency Select 0
Bit 5 = Frequency Select 1
Bit 4 = Frequency Select 0
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