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MPC8248VRP Datasheet(PDF) 24 Page - Motorola, Inc |
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MPC8248VRP Datasheet(HTML) 24 Page - Motorola, Inc |
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24 / 56 page ![]() 24 MPC8272 PowerQUICC II™ Family Hardware Specifications MOTOROLA PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE Clock Configuration Modes Clock Configuration Modes 0100_010 50.0 66.7 6 300.0 400.0 7 350.0 466.6 6 50.0 66.7 0100_011 50.0 66.7 6 300.0 400.0 8 400.0 533.3 6 50.0 66.7 0101_000 50.0 66.7 2 100.0 133.3 2.5 125.0 166.7 2 50.0 66.7 0101_001 50.0 66.7 2 100.0 133.3 3 150.0 200.0 2 50.0 66.7 0101_010 PCI host mode (PCI_MODCK=1) only (refer to Table 16) 0101_011 62.5 66.7 2 125.0 133.3 4 250.0 266.6 2 62.5 66.7 0101_100 55.6 66.7 2 111.1 133.3 4.5 250.0 300.0 2 55.6 66.7 0101_101 83.3 111.1 3 250.0 333.3 3.5 291.7 388.9 5 50.0 66.7 0101_110 83.3 111.1 3 250.0 333.3 4 333.3 444.4 5 50.0 66.7 0101_111 83.3 111.1 3 250.0 333.3 4.5 375.0 500.0 5 50.0 66.7 0110_000 60.0 80.0 2.5 150.0 200.0 2.5 150.0 200.0 3 50.0 66.7 0110_001 60.0 80.0 2.5 150.0 200.0 3 180.0 240.0 3 50.0 66.7 0110_010 71.4 80.0 2.5 178.6 200.0 3.5 250.0 280.0 3 59.5 66.7 0110_011 62.5 80.0 2.5 156.3 200.0 4 250.0 320.0 3 52.1 66.7 0110_100 60.0 80.0 2.5 150.0 200.0 4.5 270.0 360.0 3 50.0 66.7 0110_101 60.0 80.0 2.5 150.0 200.0 5 300.0 400.0 3 50.0 66.7 0110_110 60.0 80.0 2.5 150.0 200.0 6 360.0 480.0 3 50.0 66.7 0111_000 Reserved 0111_001 50.0 66.7 3 150.0 200.0 3 150.0 200.0 3 50.0 66.7 0111_010 PCI host mode (PCI_MODCK=1) only (refer to Table 16) 0111_011 62.5 66.7 3 187.5 200.0 4 250.0 266.6 3 62.5 66.7 0111_100 55.6 66.7 3 166.7 200.0 4.5 250.0 300.0 3 55.6 66.7 1000_000 Reserved 1000_001 66.7 88.9 3 200.0 266.6 3 200.0 266.6 4 50.0 66.7 1000_010 71.4 88.9 3 214.3 266.6 3.5 250.0 311.1 4 53.6 66.7 1000_011 66.7 88.9 3 200.0 266.6 4 266.7 355.5 4 50.0 66.7 Table 15. Clock Configurations for PCI Host Mode (PCI_MODCK=0) 1, 2 (continued) Mode 3 Bus Clock (MHz) CPM Multiplication Factor 4 CPM Clock (MHz) CPU Multiplication Factor 5 CPU Clock (MHz) PCI Division Factor PCI Clock (MHz) MODCK_H- MODCK[1-3] Low High Low High Low High Low High Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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