參數(shù)資料
型號： ICS950223
英文描述： Programmable Timing Control Hub? for P4?
中文描述： 可編程定時控制集線器？為小？
文件頁數(shù)： 13/24頁
文件大小： 209K
代理商： ICS950223
13
Integrated
Circuit
Systems, Inc.
ICS950223
0496C—05/06/05
I
2
C Table: VCO Frequency Control Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
N Div8
M Div6
M Div5
M Div4
M Div3
M Div2
M Div1
M Div0
N Divider Bit 8
The decimal
representation of M Div
(6:0) +2 is equal to
reference divider value.
Default at power up =
latch-in or Byte 0 Rom
table.
RW
RW
RW
RW
RW
RW
RW
RW
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
X
X
X
X
X
X
X
X
I
2
C Table: VCO Frequency Control Register
Bit 7
N Div7
RW
-
-
X
Bit 6
N Div6
RW
-
-
X
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
N Div5
N Div4
N Div3
N Div2
N Div1
N Div0
RW
RW
RW
RW
RW
RW
-
-
-
-
-
-
-
-
-
-
-
-
X
X
X
X
X
X
I
2
C Table: Spread Spectrum Control Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
SSP7
SSP6
SSP5
SSP4
SSP3
SSP2
SSP1
SSP0
RW
RW
RW
RW
RW
RW
RW
RW
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
X
X
X
X
X
X
X
X
I
2
C Table: Spread Spectrum Control Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
Reserved
SSP13
SSP12
SSP11
SSP10
SSP9
SSP8
Reserved
Reserved
R
R
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
0
X
X
X
X
X
X
RW
RW
RW
RW
RW
RW
1
PWD
It is recommended to
use ICS Spread %
table for spread
programming.
-
-
-
-
Type
-
-
-
-
-
-
-
-
0
Byte 14
Pin #
Name
Control Function
-
Name
Control Function
1
1
0
-
-
-
These Spread
Spectrum bits will
program the spread
pecentage. It is
recommended to use
ICS Spread % table for
spread programming.
PWD
The decimal
representation of N Div
(8:0) + 8 is equal to
VCO divider value.
Default at power up =
latch-in or Byte 0 Rom
table.
Type
0
PWD
-
-
-
-
Byte 13
Pin #
Type
0
-
-
Name
Control Function
Byte 11
Pin #
-
-
-
-
-
-
1
PWD
-
-
-
-
Name
Control Function
Type
Byte 12
Pin #
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參數(shù)描述
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ICS950402YFLF-T 制造商:ICS 制造商全稱:ICS 功能描述:AMD - K8 System Clock Chip
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