FS6261-01 查看數據表（PDF） - Unspecified
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FS6261-01 Datasheet PDF : 17 Pages
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January 2000
Table 3: Actual Clock Frequencies
Note: Spread spectrum disabled
CLOCK
TARGET (MHz)
APIC_0:2
16.67 (with CPU = 133.3)
16.67 (with CPU = 100.0)
CPU_0:3
133.33
100.00
CPU/2_0:1
66.67
50.00
PCI_1:7, PCI_F
33.33 (with CPU = 133.3)
33.33 (with CPU = 100.0)
CK66_0:3
66.67 (with CPU = 133.3)
66.67 (with CPU = 100.0)
CK48 (1)
48
(1) 48MHz USB clock is required to be 167ppm off from 48.000MHz to conform to USB requirements.
3.0 Programming Information
ACTUAL (MHz)
16.6634
16.6661
133.3072
99.9963
66.6536
49.9982
33.3268
33.3321
66.6536
66.6642
48.0080
DEVIATION (ppm)
-195.92
-36.657
-195.92
-36.657
-195.92
-36.657
-195.92
-36.657
-195.92
-36.657
+167
Table 4: Function/Clock Enable Configuration
CONTROL INPUTS
SEL_
133/100#
SEL_1
SEL_0
PWR_
DWN#
CPU_
STOP#
0
0
0
1
X
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
1
1
X
X
X
0
X
SEL_0:1 and
SEL_133/100# ≠ 0
or
SEL_0:1 ≠ 01
1
0
1
0
1
1
1
1
CLOCK OUTPUTS (MHz)
PCI_
STOP#
REF_0:1 CPU_0:3
CPU/2_
0:1
PCI_F
PCI_1:7
APIC_
0:2
CK48
CK66_
0:3
X
tristate tristate tristate tristate tristate tristate tristate tristate
1
(reserved) (reserved) (reserved) (reserved) (reserved) (reserved) (reserved) (reserved)
1
14.318 100
1
14.318 100
50
33.33 33.33 16.67 tristate 66.67
50
33.33 33.33 16.67
48
66.67
1
XIN XIN÷2 XIN÷4 XIN÷8 XIN÷8 XIN÷16 XIN÷2 XIN÷4
1
(reserved) (reserved) (reserved) (reserved) (reserved) (reserved) (reserved) (reserved)
1
14.318 133.33 66.67 33.33 33.33 16.67 tristate 66.67
1
14.318 133.33 66.67 33.33 33.33 16.67
48
66.67
X
low
low
low
low
low
low
low
low
0
14.318 low running 33.33
low
16.67
48
low
1
14.318 low running 33.33 33.33 16.67
48
low
0
14.318 running running 33.33
low
16.67
48
66.67
1
14.318 running running 33.33 33.33 16.67
48
66.67
,62
3
1.31.00
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