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OR3T20 Datasheet(PDF) 78 Page - Agere Systems |
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OR3T20 Datasheet(HTML) 78 Page - Agere Systems |
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78 / 210 page  78 78 Lucent Technologies Inc. Data Sheet June 1999 ORCA Series 3C and 3T FPGAs Programmable Clock Manager (PCM) (continued) Table 29. PCM Oscillator Frequency Range 3Txxx Note: Use of settings in the first three rows is not recommended. X means don’t care. Table 30. PCM Oscillator Frequency Range 3Cxx Note: Use of settings in the first three rows is not recommended. X means don’t care. Register 4 76543210 Min (MHz) System Clock Output Frequency (MHz) NOM Max (MHz) T Acquisition (µs) 00XXX010 17.00 58.50 100.00 36.00 00XXX011 16.10 52.50 89.00 37.00 00XXX100 15.17 49.00 82.80 38.00 00XXX101 14.25 45.00 76.50 39.00 00XXX110 13.33 41.50 70.30 40.00 00XXX111 12.40 38.00 64.00 41.00 01XXX000 12.20 36.75 61.30 43.75 01XXX001 12.10 35.00 58.00 46.50 01XXX010 11.90 33.00 54.30 49.25 01XXX011 11.70 31.30 51.00 52.00 01XXX100 11.10 30.00 49.40 54.75 01XXX101 10.50 29.15 47.80 57.50 01XXX110 10.00 28.10 46.20 60.25 01XXX111 9.40 27.00 44.60 63.00 10000XXX 9.20 26.25 43.30 65.40 10001XXX 9.00 25.65 42.30 67.80 10010XXX 8.80 25.00 41.30 70.10 10011XXX 8.60 24.45 40.30 72.50 10100XXX 8.40 23.70 39.00 74.90 10101XXX 8.10 22.90 37.70 77.30 10110XXX 7.90 22.20 36.50 79.60 10111XXX 7.70 21.50 35.20 82.00 11000XXX 7.60 20.80 34.00 84.30 11001XXX 7.45 20.10 32.80 86.50 11010XXX 7.30 19.45 31.60 88.80 11011XXX 7.20 18.85 30.50 91.00 11100XXX 6.60 18.30 30.00 93.30 11101XXX 6.00 17.70 29.40 95.50 11110XXX 5.50 17.10 28.60 97.80 11111XXX 5.00 16.50 28.00 100.00 Register 4 76543210 Min (MHz) System Clock Output Frequency (MHz) NOM Max (MHz) T Acquisition (µs) 00XXX010 10.50 73.00 135.00 36.00 00XXX011 10.00 68.00 126.00 37.00 00XXX100 9.50 63.00 117.00 38.00 00XXX101 9.10 58.50 108.00 39.00 00XXX110 8.60 53.80 99.00 40.00 00XXX111 8.10 49.00 90.00 41.00 01XXX000 7.80 47.70 87.50 43.80 01XXX001 7.60 46.30 85.00 46.50 01XXX010 7.30 45.00 82.50 49.30 01XXX011 7.10 43.60 80.00 52.00 01XXX100 6.80 42.10 77.50 55.00 01XXX101 6.50 40.75 75.00 57.50 01XXX110 6.30 39.40 72.50 60.30 01XXX111 6.00 38.00 70.00 63.00 10000XXX 5.90 37.40 68.80 65.40 10001XXX 5.90 36.70 67.50 67.80 10010XXX 5.80 36.00 66.30 70.10 10011XXX 5.80 35.40 65.00 72.50 10100XXX 5.70 35.00 63.80 74.90 10101XXX 5.60 34.10 62.50 77.30 10110XXX 5.60 33.50 61.30 79.60 10111XXX 5.50 32.80 60.00 82.00 11000XXX 5.40 32.10 58.80 84.30 11001XXX 5.40 31.50 57.50 86.50 11010XXX 5.30 30.70 56.30 88.80 11011XXX 5.30 30.10 55.00 91.00 11100XXX 5.20 29.50 53.80 93.30 11101XXX 5.10 28.80 52.50 95.50 11110XXX 5.10 28.20 51.30 97.80 11111XXX 5.00 27.50 50.00 100.00 |
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