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FS6261-01 Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers

No. de Pieza. FS6261-01
Descripción  Motherboard Clock Generator IC
Descarga  17 Pages
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Fabricante  ETC1 [List of Unclassifed Manufacturers]
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FS6261-01 Datasheet(HTML) 3 Page - List of Unclassifed Manufacturers

 
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  X T
January 2000
1.31.00
3
)6
0RWKHUERDUG&ORFN *HQHUDWRU,&
,62
Table 3: Actual Clock Frequencies
Note: Spread spectrum disabled
CLOCK
TARGET (MHz)
ACTUAL (MHz)
DEVIATION (ppm)
16.67 (with CPU = 133.3)
16.6634
-195.92
APIC_0:2
16.67 (with CPU = 100.0)
16.6661
-36.657
133.33
133.3072
-195.92
CPU_0:3
100.00
99.9963
-36.657
66.67
66.6536
-195.92
CPU/2_0:1
50.00
49.9982
-36.657
33.33 (with CPU = 133.3)
33.3268
-195.92
PCI_1:7, PCI_F
33.33 (with CPU = 100.0)
33.3321
-36.657
66.67 (with CPU = 133.3)
66.6536
-195.92
CK66_0:3
66.67 (with CPU = 100.0)
66.6642
-36.657
CK48
(1)
48
48.0080
+167
(1) 48MHz USB clock is required to be 167ppm off from 48.000MHz to conform to USB requirements.
3.0
Programming Information
Table 4: Function/Clock Enable Configuration
CONTROL INPUTS
CLOCK OUTPUTS (MHz)
SEL_
133/100#
SEL_1
SEL_0
PWR_
DWN#
CPU_
STOP#
PCI_
STOP#
REF_0:1 CPU_0:3
CPU/2_
0:1
PCI_F
PCI_1:7
APIC_
0:2
CK48
CK66_
0:3
0001
X
X
tristate
tristate
tristate
tristate
tristate
tristate
tristate
tristate
0011
11
(reserved) (reserved)
(reserved)
(reserved)
(reserved)
(reserved)
(reserved)
(reserved)
0101
11
14.318
100
50
33.33
33.33
16.67
tristate
66.67
0111
11
14.318
100
50
33.33
33.33
16.67
48
66.67
1001
11
XIN
XIN÷2
XIN÷4
XIN÷8
XIN÷8
XIN÷16
XIN÷2
XIN÷4
1011
11
(reserved) (reserved)
(reserved)
(reserved)
(reserved)
(reserved)
(reserved)
(reserved)
1101
11
14.318
133.33
66.67
33.33
33.33
16.67
tristate
66.67
1111
11
14.318
133.33
66.67
33.33
33.33
16.67
48
66.67
X
X
X
0
X
X
low
low
low
low
low
low
low
low
1
0
0
14.318
low
running
33.33
low
16.67
48
low
1
0
1
14.318
low
running
33.33
33.33
16.67
48
low
1
1
0
14.318
running
running
33.33
low
16.67
48
66.67
SEL_0:1 and
SEL_133/100#
≠ 0
or
SEL_0:1
≠ 01
1
1
1
14.318
running
running
33.33
33.33
16.67
48
66.67


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