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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC826XACVR датащи(PDF) 32 Page - Freescale Semiconductor, Inc |
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MPC826XACVR датащи(HTML) 32 Page - Freescale Semiconductor, Inc |
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32 / 52 page  MPC8260A PowerQUICC™ II Integrated Communications Processor Hardware Specifications, Rev. 1.1 32 Freescale Semiconductor Clock Configuration Modes 1010_000 66/33 MHz 4/8 266 MHz 2.5 222 MHz 3 88 MHz 1010_001 66/33 MHz 4/8 266 MHz 3 266 MHz 3 88 MHz 1010_010 66/33 MHz 4/8 266 MHz 3.5 300 MHz 3 88 MHz 1010_011 66/33 MHz 4/8 266 MHz 4 350 MHz 3 88 MHz 1010_100 66/33 MHz 4/8 266 MHz 4.5 400 MHz 3 88 MHz 1011_000 66/33 MHz 4/8 266 MHz 2 212MHz 2.5 106 MHz 1011_001 66/33 MHz 4/8 266 MHz 2.5 265 MHz 2.5 106 MHz 1011_010 66/33 MHz 4/8 266 MHz 3 318 MHz 2.5 106 MHz 1011_011 66/33 MHz 4/8 266 MHz 3.5 371 MHz 2.5 106 MHz 1011_100 66/33 MHz 4/8 266 MHz 4 424 MHz 2.5 106 MHz Notes: 1. The frequency depends on the value of PCI_MODCK. If PCI_MODCK is high (logic ‘1’), the PCI frequency is divided by 2 (33 instead of 66 MHz, etc.) and the CPM multiplication factor is multiplied by 2. Refer to Table 15. 2. Input clock frequency is given only for the purpose of reference. User should set MODCK_H–MODCK_L so that the resulting configuration does not exceed the frequency rating of the user’s part. 3. Core frequency = (60x bus frequency)(core multiplication factor) 4. Bus frequency = CPM frequency / bus division factor 5. In this mode, PCI_MODCK must be “1”. Table 19. Clock Configuration Modes in PCI Agent Mode (continued) MODCK_H – MODCK[1–3] Input Clock Frequency (PCI)(1),(2) CPM Multiplication Factor1 CPM Frequency Core Multiplication Factor Core Frequency (3) Bus Division Factor 60x Bus Frequency (4) |
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