ICS9248F-107 Просмотр технического описания (PDF) - Integrated Circuit Systems
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ICS9248F-107 Datasheet PDF : 14 Pages
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ICS9248-107
Serial Configuration Command Bitmap
Byte 0: Functionality and frequency select register (Default = 0)
Bit
Bit
(2, 7:4)
Bit 3
Bit 1
Bit 0
Bit 2
FS4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Bit 7
FS3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Bit 6
FS2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Bit 5
FS1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Description
Bit 4
FS0
CPU
0
103.0
1
100.0
0
100.45
1
100.9
0
107.1
1
109.0
0
112.0
1
114.00
0
116.00
1
118.00
0
133.30
1
120.00
0
122.00
1
125.00
0
50.0
1
66.7
0
133.3
1
133.9
0
138.0
1
142.0
0
146.0
1
150.0
0
153.0
1
156.0
0
159.1
1
162.0
0
166.7
1
168.0
0
171.0
1
174.0
0
177.0
1
180.0
PCI
34.33
33.33
33.48
33.63
35.70
36.33
37.33
28.50
29.00
29.50
33.33
30.00
30.50
31.25
16.67
16.67
33.33
33.48
34.50
35.50
36.50
37.50
38.25
39.00
39.78
40.50
41.67
42.00
42.75
43.50
44.25
45.00
0 - Frequency is selected by hardware select, latched inputs
1 - Frequency is selected by Bit 2, 7:4
0 - Normal
1 - Spread spectrum enabled
0 - Running
1 - Tristate all outputs
3V66
68.67
66.67
66.97
67.27
71.40
72.67
74.67
57.00
58.00
59.00
66.65
60.00
61.00
62.50
33.33
33.33
66.67
66.95
69.00
71.00
73.00
75.00
76.50
78.00
79.55
81.00
83.33
84.00
85.50
87.00
88.50
90.00
IOAPIC
17.17
16.67
16.74
16.82
17.85
18.17
18.67
14.25
14.50
14.75
16.66
15.00
15.25
15.63
8.33
8.33
16.67
16.74
17.25
17.75
18.25
18.75
19.13
19.50
19.89
20.25
20.83
21.00
21.38
21.75
22.13
22.50
PWD
00010
Note 1
0
1
0
Note 1:
Default at power-up will be for latched logic inputs to define frequency, as displayed byBit 3.
4
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