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MPC8555CPXAPF датащи(PDF) 33 Page - Freescale Semiconductor, Inc |
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MPC8555CPXAPF датащи(HTML) 33 Page - Freescale Semiconductor, Inc |
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33 / 88 page ![]() MPC8555E PowerQUICC™ III Integrated Communications Processor Hardware Specifications, Rev. 4 Freescale Semiconductor 33 Local Bus Figure 14 shows the MII management AC timing diagram. Figure 14. MII Management Interface Timing Diagram 9 Local Bus This section describes the DC and AC electrical specifications for the local bus interface of the MPC8555E. 9.1 Local Bus DC Electrical Characteristics Table 29 provides the DC electrical characteristics for the local bus interface. Table 29. Local Bus DC Electrical Characteristics Parameter Symbol Test Condition Min Max Unit High-level input voltage VIH VOUT ≥ VOH (min) or 2 OVDD + 0.3 V Low-level input voltage VIL VOUT ≤ VOL (max) –0.3 0.8 V Input current IIN VIN 1 = 0 V or V IN = VDD —±5 μA High-level output voltage VOH OVDD = min, IOH = -2mA OVDD – 0.2 — V Low-level output voltage VOL OVDD = min, IOL = 2mA — 0.2 V Note: 1. Note that the symbol VIN, in this case, represents the OVIN symbol referenced in Table 1 and Table 2. MDC tMDDXKH tMDC tMDCH tMDCR tMDCF tMDDVKH tMDKHDX MDIO MDIO (Input) (Output) |
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