ICS94211 データシートの表示（PDF） - Integrated Circuit Systems
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ICS94211 Datasheet PDF : 16 Pages
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ICS94211
Byte 0: Functionality and frequency select register (Default=0)
Bit
Description
Bit
(2,7:4)
Bit 3
Bit 1
Bit 0
Bit2
Bit7
FS3
Bit6
FS2
Bit5
FS1
Bit4
FS0
VCO/REF
Divider
VCO
MHz
CPUCLK
MHz
0 0 0 0 0 447/40 160.01 80.00
0 0 0 0 1 440/42 150.00 75.00
0 0 0 1 0 512/44 166.61 83.31
0 0 0 1 1 392/42 133.64 66.82
0 0 1 0 0 446/31 206.00 103.00
0 0 1 0 1 485/31 224.01 112.01
0 0 1 1 0 513/54 136.02 68.01
0 0 1 1 1 518/37 200.45 100.23
0 1 0 0 0 352/21 240.00 120.00
0 1 0 0 1 514/32 229.99 114.99
0 1 0 1 0 507/33 219.98 109.99
0 1 0 1 1 484/33 210.00 105.00
0 1 1 0 0 352/18 280.00 140.00
0 1 1 0 1 440/21 300.00 150.00
0 1 1 1 0 433/25 247.99 124.00
0 1 1 1 1 483/26 265.99 132.99
1 0 0 0 0 396/21 270.00 135.00
1 0 0 0 1 345/19 259.99 129.99
1 0 0 1 0 440/25 252.00 126.00
1 0 0 1 1 478/29 236.00 118.00
1 0 1 0 0 486/30 231.95 115.98
1 0 1 0 1 491/37 190.01 95.00
1 0 1 1 0 440/35 180.00 90.00
1 0 1 1 1 463/39 169.98 85.01
1 1 0 0 0 371/16 332.00 166.00
1 1 0 0 1 447/20 320.01 160.01
1 1 0 1 0 433/20 309.99 154.99
1 1 0 1 1 310/15 295.91 147.95
1 1 1 0 0 469/23 291.97 145.98
1 1 1 0 1 362/18 287.95 143.98
1 1 1 1 0 476/24 283.98 141.99
1 1 1 1 1 347/18 276.02 138.01
0-Frequency is selected by hardware select, latched inputs
1- Frequency is selected by Bit 2,7:4
0- Normal
1- Spread spectrum enable ± 0.35% Center Spread
0- Running
1- Tristate all outputs
PCICLK
MHz
40.00
37.50
41.65
33.41
34.33
37.34
34.01
33.41
40.00
38.33
36.66
35.00
35.00
37.50
31.00
33.25
33.75
32.50
31.50
39.33
38.66
31.67
30.00
28.34
41.50
40.00
38.75
36.99
36.50
35.99
35.50
34.50
PWD
Note 1
0
1
0
Notes:
1. Default at power-up will be for latched logic inputs to define frequency, as displayed by Bit 3.
5
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