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MPC8245EC Datasheet(PDF) 39 Page - Freescale Semiconductor, Inc |
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MPC8245EC Datasheet(HTML) 39 Page - Freescale Semiconductor, Inc |
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39 / 68 page  MPC8245 Integrated Processor Hardware Specifications, Rev. 10 Freescale Semiconductor 39 PLL Configurations 6 PLL Configurations The internal PLLs are configured by the PLL_CFG[0:4] signals. For a given PCI_SYNC_IN (PCI bus) frequency, the PLL configuration signals set both the peripheral logic/memory bus PLL (VCO) frequency of operation for the PCI-to-memory frequency multiplying and the MPC603e CPU PLL (VCO) frequency of operation for memory-to-CPU frequency multiplying. The PLL configurations are shown in Table 17 and Table 18. Table 17. PLL Configurations (266- and 300-MHz Parts) Ref. No. PLL_CFG [0:4] 10,13 266-MHz Part 9 300-MHz Part 9 Multipliers PCI Clock Input (PCI_ SYNC_IN) Range 1 (MHz) Periph Logic/ MemBus Clock Range (MHz) CPU Clock Range (MHz) PCI Clock Input (PCI_ SYNC_IN) Range 1 (MHz) Periph Logic/ MemBus Clock Range (MHz) CPU Clock Range (MHz) PCI-to- Mem (Mem VCO) Mem-to- CPU (CPU VCO) 0 0000012 25–355 75–105 188–263 25–405,7 75–120 188–300 3 (2) 2.5 (2) 1 0000112 25–295 75–88 225–264 25–335 75–99 225–297 3 (2) 3 (2) 2 0001011 5018–595,7 50–59 225–266 5018–661 50–66 225–297 1 (4) 4.5 (2) 30001111,14 5017–661 50–66 100–133 5017–661 50–66 100–133 1 (Bypass) 2 (4) 4 0010012 25–464 50–92 100–184 25–464 50–92 100–184 2 (4) 2 (4) 6 0011015 Bypass Bypass Bypass 7 Rev B 0011114 606–661 60–66 180–198 606–661 60–66 180–198 1 (Bypass) 3 (2) 7 Rev D 0011114 Not available 8 0100012 606–661 60–66 180–198 606–661 60–66 180–198 1 (4) 3 (2) 9 0100112 456–661 90–132 180–264 456–661 90–132 180–264 2 (2) 2 (2) A 0101012 25–295 50–58 225–261 25–335 50–66 225–297 2 (4) 4.5 (2) B 0101112 453–595 68–88 204–264 453–661 68–99 204–297 1.5 (2) 3 (2) C 0110012 366–464 72–92 180–230 366–464 72–92 180–230 2 (4) 2.5 (2) D 0110112 453–505 68–75 238–263 453–575 68–85 238–298 1.5 (2) 3.5 (2) E 0111012 306–445 60–88 180–264 306–464 60–92 180–276 2 (4) 3 (2) F 0111112 255 75 263 25–285 75–85 263–298 3 (2) 3.5 (2) 10 1000012 306–442,5 90–132 180–264 306–442 90–132 180–264 3 (2) 2 (2) 11 1000112 25–265,7 100–106 250–266 25–292 100–116 250–290 4 (2) 2.5 (2) 12 1001012 606–661 90–99 180–198 606–661 90–99 180–198 1.5 (2) 2 (2) |
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