ICD2025 查看數據表（PDF） - Cypress Semiconductor
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ICD2025 Datasheet PDF : 7 Pages
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ICD2025
General Considerations
Table 2. SYSCLK Selection
CPU and System Clock Oscillator Selection
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Desired
Actual Freq. Error
S2 S1 S0 Word Freq. (MHz) (MHz)
0 0 0 0 18.432 18.431
(PPM)
62
0 0 1 1 20.000 20.003 167
0 1 0 2 24.000 23.998 80
0 1 1 3 1.843 1.843 144
1 0 0 4 12.000 11.999 80
1 0 1 5 8.000 8.001 167
1 1 0 6 3.686 3.687 144
1 1 1 7 32.000 32.005 167
Table 1. CPUCLK Selection
Output Frequency Accuracy
Desired
Freq.
C3 C2 C1 C0 Word (MHz)
0 0 0 0 0 40.000
0 0 0 1 1 80.000
0 0 1 0 2 33.333
0 0 1 1 3 66.667
0 1 0 0 4 25.000
0 1 0 1 5 50.000
0 1 1 0 6 16.000
Actual
Freq.
(MHz)
39.812
79.623
33.322
66.645
25.000
50.000
15.923
Error
(PPM)
4734
4734
320
335
0
0
4848
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Tofhtehoeuintppuuttf(rreeqfeureenncciees) forfetqhueenICcyD: 2025 are an integral fraction
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0 1 1 1 7 32.000 31.846 4848
1 0 0 0 8 20.000 19.906 4734
1 0 0 1 9 100.000 99.840 1600
1 0 1 0 10 40.000 39.812 4734
ThreeĆState Output Operation
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1 0 1 1 11 80.000
1 1 0 0 12 33.333
1 1 0 1 13 66.667
1 1 1 0 14 25.000
1 1 1 1 15 50.000
79.623 4734
33.322 320
66.645 335
25.000 0
50.000 0
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3
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