參數(shù)資料
型號: ICS950402YFT-LF
元件分類: 時鐘產(chǎn)生/分配
英文描述: 300 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封裝: 0.300 INCH, MO-118, SSOP-48
文件頁數(shù): 18/18頁
文件大?。?/td> 126K
代理商: ICS950402YFT-LF
9
ICS950402
0700A—07/31/03
I
2C Table: VCO Frequency Control Register
Control
Function
Bit 7
N Div7
RW
-
X
Bit 6
N Div6
RW
-
X
Bit 5
N Div5
RW
-
X
Bit 4
N Div4
RW
-
X
Bit 3
N Div3
RW
-
X
Bit 2
N Div2
RW
-
X
Bit 1
N Div1
RW
-
X
Bit 0
N Div0
RW
-
X
I
2C Table: Spread Spectrum Control Register
Control
Function
Bit 7
SSP7
RW
-
X
Bit 6
SSP6
RW
-
X
Bit 5
SSP5
RW
-
X
Bit 4
SSP4
RW
-
X
Bit 3
SSP3
RW
-
X
Bit 2
SSP2
RW
-
X
Bit 1
SSP1
RW
-
X
Bit 0
SSP0
RW
-
X
I
2C Table: Spread Spectrum Control Register
Control
Function
Bit 7
Reserved
R
-
0
Bit 6
Reserved
R
-
0
Bit 5
Reserved
R
-
1
Bit 4
SSP12
RW
-
X
Bit 3
SSP11
RW
-
X
Bit 2
SSP10
RW
-
X
Bit 1
SSP9
RW
-
X
Bit 0
SSP8
RW
-
X
I
2C Table: Output Divider Control Register
Control
Function
Bit 7
PCI / HTTDiv3
RW
X
Bit 6
PCI / HTTDiv2
RW
X
Bit 5
PCI / HTTDiv1
RW
X
Bit 4
PCI / HTTDiv0
RW
X
Bit 3
CPU Div3
RW
X
Bit 2
CPU Div2
RW
X
Bit 1
CPU Div1
RW
X
Bit 0
CPU Div0
RW
X
-
CPU divider ratio can be
configured via these 4
bits individually.
See Table 2: Divider Ratio
Combination Table
-
PWD
-
PCI(9:7)/HTT(2:0) divider
ratio can be configured
via these 4 bits
individually.
See Table 2: Divider Ratio
Combination Table
-
Byte 15
Pin #
Name
Type
-
It is recommended to use
ICS Spread % table for
spread programming.
PWD
-
Byte 14
Pin #
Name
Type
-
These Spread Spectrum
bits will program the
spread pecentage. It is
recommended to use ICS
Spread % table for
spread programming.
-
Byte 13
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 12
Pin #
Name
0
01
1
PWD
01
0
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