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MPC8347ECVRADDB 数据表(PDF) 12 Page - Freescale Semiconductor, Inc |
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MPC8347ECVRADDB 数据表(HTML) 12 Page - Freescale Semiconductor, Inc |
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12 / 99 page  MPC8347EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 12 12 Freescale Semiconductor Power Characteristics Table 5 shows the estimated typical I/O power dissipation for MPC8347EA. Table 5. MPC8347EA Typical I/O Power Dissipation Interface Parameter DDR2 GVDD (1.8 V) DDR1 GVDD (2.5 V) OVDD (3.3 V) LVDD (3.3 V) LVDD (2.5 V) Unit Comments DDR I/O 65% utilization 2.5 V Rs = 20 Ω Rt = 50 Ω 2 pair of clocks 200 MHz, 32 bits 0.31 0.42 — — — W — 200 MHz, 64 bits 0.42 0.55 — — — W — 266 MHz, 32 bits 0.35 0.5 — — — W — 266 MHz, 64 bits 0.47 0.66 — — — W — 300 MHz,1 32 bits 1 TBGA package only. 0.37 0.54 — — — W — 300 MHz,1 64 bits 0.50 0.7 — — — W — 333 MHz,1 32 bits 0.39 0.58 — — — W — 333 MHz,1 64 bits 0.53 0.76 — — — W — 400 MHz,1 32 bits 0.44 — — — — — 400 MHz,1 64 bits 0.59 — — — — — PCI I/O load = 30 pF 33 MHz, 32 bits — — 0.04 — — W — 66 MHz, 32 bits — — 0.07 — — W — Local bus I/O load = 25 pF 167 MHz, 32 bits — — 0.34 — — W — 133 MHz, 32 bits — — 0.27 — — W — 83 MHz, 32 bits — — 0.17 — — W — 66 MHz, 32 bits — — 0.14 — — W — 50 MHz, 32 bits — — 0.11 — — W — TSEC I/O load = 25 pF MII — — — 0.01 — W Multiply by number of interfaces used. GMII or TBI — — — 0.06 — W RGMII or RTBI — — — — 0.04 W USB 12 MHz — — 0.01 — — W Multiply by 2 if using 2 ports. 480 MHz — — 0.2 — — W Other I/O — — 0.01 — — W — |
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