MPC8548ECPXAUJC datasheet(43/151 Pages) FREESCALE

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MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 9

Freescale Semiconductor

Local Bus

10 Local Bus

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

10.1

Local Bus DC Electrical Characteristics

This table provides the DC electrical characteristics for the local bus interface operating at BVDD =

3.3 V DC.

Table 39 provides the DC electrical characteristics for the local bus interface operating at

BVDD = 2.5 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

A

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.

Table 39. Local Bus DC Electrical Characteristics (2.5 V DC)

Parameter

Symbol

Min

Max

Unit

High-level input voltage

VIH

1.70

BVDD + 0.3

Low-level input voltage

VIL

–0.3

0.7

Input current (VIN

1 = 0 V or V

IN = BVDD)IIH

—10

A

IIL

–15

High-level output voltage (BVDD = min, IOH = –1 mA)

VOH

2.0

—

Low-level output voltage (BVDD = min, IOL = 1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.

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