參數(shù)資料
型號(hào): ICS94236
英文描述: Programmable System Clock Chip for AMD - K7⑩ processor
中文描述: 可編程系統(tǒng)時(shí)鐘芯片為AMD - k7的⑩處理器
文件頁(yè)數(shù): 7/17頁(yè)
文件大?。?/td> 226K
代理商: ICS94236
7
ICS94236
0451A
01/10/03
Byte 7: Vendor ID and Revision ID Register
Byte 8: Byte Count and Read Back Register
Notes:
1. PWD = Power on Default
t
t
B
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B
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t
B
t
B
B
D
W
0
0
0
0
1
0
0
0
P
n
o
D
7
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1
0
d
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d
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e
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e
v
R
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R
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R
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v
R
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B
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B
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B
B
D
W
0
0
1
X
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P
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o
D
7
6
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1
0
D
D
I
D
I
n
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n
n
n
I
r
d
r
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r
d
n
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n
o
e
R
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R
o
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R
e
e
e
V
V
V
D
I
D
I
D
I
D
I
D
I
Byte 11: VCO Frequency Control Register
Note: The decimal representation of these 7 bits (Byte 11
[6:0]) + 2 is equal to the REF divider value .
t
t
B
t
B
t
B
t
B
t
B
t
B
t
B
t
B
B
D
W
X
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X
X
X
X
X
X
P
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o
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0
B
r
d
D
6
B
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d
D
7
6
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3
2
1
0
O
F
F
F
F
F
F
F
C
E
E
E
E
E
E
E
V
R
R
R
R
R
R
R
5
4
3
2
1
0
Byte 12: VCO Frequency Control Register
Note: The decimal representation of these 9 bits (Byte
12 bit [7:0] & Byte 11 bit [7] ) + 8 is equal to the VCO
divider value. For example if VCO divider value of 36
is desired, user need to program 36 - 8 = 28, namely, 0,
00011100 into byte 12 bit & byte 11 bit 7.
t
t
B
t
B
t
B
t
B
t
B
t
B
t
B
t
B
B
D
W
X
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X
X
X
X
X
X
P
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D
8
B
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d
D
B
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D
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B
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B
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d
D
B
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d
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B
r
d
D
7
6
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1
0
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
V
V
V
V
V
V
V
V
7
6
5
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3
2
1
Byte 9: Watchdog Timer Count Register
t
t
B
t
B
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B
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B
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B
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B
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B
t
B
B
D
W
0
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0
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7
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2
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9
2
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8
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0
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D
Note: FS values in bit [0:4] will correspond to Byte 0 FS
values. Default safe frequency is same as 00000
entry in byte0.
Byte 10: VCO Control Selection Bit &
Watchdog Timer Control Register
t
t
B
t
B
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B
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B
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B
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B
t
B
t
B
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D
W
0
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1
0
0
0
0
P
n
&
1
=
1
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B
S
F
S
F
S
F
S
F
o
D
=
1
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q
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a
=
0
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n
=
0
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7
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1
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2
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1
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1
1
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D
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=
0
W
W
W
W
W
W
W
=
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/
2
0
u
u
u
u
u
3
2
1
0
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