參數(shù)資料
型號: ICS952801yFT
英文描述: Programmable Timing Control HubTM for K8TM processor
中文描述: 可編程定時控制HubTM處理器K8TM
文件頁數(shù): 12/22頁
文件大?。?/td> 191K
代理商: ICS952801YFT
12
Integrated
Circuit
Systems, Inc.
ICS952801
Advance Information
0719—01/22/03
I
2
C Table: VCO Frequency Control Register
Control
Function
N Divider Bit 8
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
RW
RW
RW
RW
RW
RW
RW
RW
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
X
X
X
X
X
X
X
X
I
2
C Table: VCO Frequency Control Register
Control
Function
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
N Div7
N Div6
N Div5
N Div4
N Div3
N Div2
N Div1
N Div0
RW
RW
RW
RW
RW
RW
RW
RW
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
X
X
X
X
X
X
X
X
I
2
C Table: Spread Spectrum Control Register
Control
Function
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
Control
Function
Reserved
Reserved
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
Reserved
SSP13
SSP12
SSP11
SSP10
SSP9
SSP8
R
R
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
X
X
X
X
X
X
RW
RW
RW
RW
RW
RW
1
0
1
0
0
1
PWD
PWD
PWD
0
1
Type
Byte 11
Pin #
Name
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.
-
-
-
-
-
-
-
-
Byte 12
Pin #
Name
Type
-
-
-
-
-
-
-
-
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.
Byte 13
Pin #
Name
Type
-
-
-
-
-
-
-
-
These Spread
Spectrum bits will
program the spread
pecentage. It is
recommended to use
ICS Spread % table for
spread programming.
PWD
-
-
-
-
-
-
-
-
Byte 14
Pin #
Name
Type
It is recommended to
use ICS Spread %
table for spread
programming.
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