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PC7447AMGH1000LB データシート(PDF) 35 Page - ATMEL Corporation |
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PC7447AMGH1000LB データシート(HTML) 35 Page - ATMEL Corporation |
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35 / 44 page ![]() 35 5387B–HIREL–07/05 PC7447A [Preliminary] Note that when DFS is enabled the resulting core frequency must meet the minimum core fre- quency requirements described in Table 9-2 on page 25. Table 13-1. PC7447A Microprocessor PLL Configuration Example for 1420-MHz Parts PLL_CFG[0:4] Example Bus-to-Core Frequency in MHz (VCO Frequency in MHz) Bus-to-Core Multiplier Core-to-VCO Multiplier Bus (SYSCLK) Frequency 33.33 MHz 50 MHz 66.66 MHz 75 MHz 83 MHz 100 MHz 133.33 MHz 166.66 MHz 01000 2x 2x 10000 3x 2x 10100 4x 2x 667 (1333) 10110 5x 2x 667 (1333) 835 (1670) 10010 5.5x 2x 733 (1466) 919 (1837) 11010 6x 2x 600 (1200) 800 (1600) 1002 (2004) 01010 6.5x 2x 650 (1300) 866 (1730) 1086 (2171) 00100 7x 2x 700 (1400) 931 (1862) 1169 (2338) 00010 7.5x 2x 623 (1245) 750 (1500) 1000 (2000) 1253 (2505) 11000 8x 2x 600 (1200) 664 (1328) 800 (1600) 1064 (2128) 1336 (2672) 01100 8.5x 2x 638 (1276) 706 (1412) 850 (1700) 1131 (2261) 1417 (2833) 01111 9x 2x 600 (1200) 675 (1350) 747 (1494) 900 (1800) 1197 (2394) 01110 9.5x 2x 633 (1266) 712 (1524) 789 (1578) 950 (1900) 1264 (2528) 10101 10x 2x 667 (1333) 750 (1500) 830 (1660) 1000 (2000) 1333 (2667) 10001 10.5x 2x 700 (1400) 938 (1876) 872 (1744) 1050 (2100) 1397 (2793) 10011 11x 2x 733 (1466) 825 (1650) 913 (1826) 1100 (2200) 00000 11.5x 2x 766 (532) 863 (1726) 955 (1910) 1150 (2300) 10111 12x 2x 600 (1200) 800 (1600) 900 (1800) 996 (1992) 1200 (2400) 11111 12.5x 2x 600 (1200) 833 (1666) 938 (1876) 1038 (2076) 1250 (2500) |
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