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MPC8264AVR 数据表(PDF) 29 Page - Motorola, Inc |
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MPC8264AVR 数据表(HTML) 29 Page - Motorola, Inc |
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29 / 48 page  MOTOROLA MPC826xA (HiP4) Family Hardware Specifications 29 Pinout 1.4 Pinout This section provides the pin assignments and pinout list for the MPC826xA. 1.4.1 Pin Assignments Figure 13 shows the pinout of the MPC826xA’s 480 TBGA package as viewed from the top surface. 1001_000 66/33 MHz 4/8 266 MHz 2.5 166 MHz 4 66 MHz 1001_001 66/33 MHz 4/8 266 MHz 3 200 MHz 4 66 MHz 1001_010 66/33 MHz 4/8 266 MHz 3.5 233 MHz 4 66 MHz 1001_011 66/33 MHz 4/8 266 MHz 4 266 MHz 4 66 MHz 1001_100 66/33 MHz 4/8 266 MHz 4.5 300 MHz 4 66 MHz 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 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 14. 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 18. 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 Frequency3 Bus Division Factor 60x Bus Frequency4 |
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