MPC8548E datasheet(41/144 Pages) FREESCALE

tên linh kiện	MPC8548E

Giải thích chi tiết về linh kiện	PowerQUICC??III Integrated Processor Hardware Specifications

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MPC8548E PowerQUICC™ III Integrated Processor Hardware Specifications, Rev. 6

Freescale Semiconductor

Local Bus

Figure 21 shows the MII management AC timing diagram.

Figure 21. MII Management Interface Timing Diagram

10 Local Bus

This section describes the DC and AC electrical specifications for the local bus interface of the

MPC8548E.

10.1

Local Bus DC Electrical Characteristics

Table 38 provides the DC electrical characteristics for the local bus interface operating at BVDD =

3.3 V DC.

Table 38. Local Bus DC Electrical Characteristics (3.3 V DC)

Parameter

Symbol

Min

Max

Unit

High-level input voltage

VIH

2BVDD + 0.3

Low-level input voltage

VIL

–0.3

0.8

Input current (VIN

1 = 0 V or V

IN = BVDD)IIN

—±5

μA

High-level output voltage (BVDD = min, IOH = –2 mA)

VOH

2.4

—

Low-level output voltage (BVDD = min, IOL = 2 mA)

VOL

—0.4

Note:

1. Note that the symbol VIN, in this case, represents the BVIN symbol referenced in Table 1 and Table 2.

MDC

tMDDXKH

tMDC

tMDCH

tMDCR

tMDCF

tMDDVKH

tMDKHDX

MDIO

(Input)

(Output)

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