MPC8548ECPXATJB datasheet(59/151 Pages) FREESCALE

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MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 9

Freescale Semiconductor

GPOUT/GPIN

14 GPOUT/GPIN

This section describes the DC and AC electrical specifications for the GPOUT/GPIN bus of the device.

14.1

GPOUT/GPIN Electrical Characteristics

Table 47 and Table 48 provide the DC electrical characteristics for the GPOUT interface.

Table 49 and Table 50 provide the DC electrical characteristics for the GPIN interface.

Table 47. GPOUT DC Electrical Characteristics (3.3 V DC)

Parameter

Symbol

Min

Max

Unit

Supply voltage 3.3 V

BVDD

3.13

3.47

High-level output voltage

(BVDD =min, IOH =–2 mA)

VOH

BVDD –0.2

—

Low-level output voltage

(BVDD =min, IOL =2mA)

VOL

—0.2

Table 48. GPOUT DC Electrical Characteristics (2.5 V DC)

Parameter

Symbol

Min

Max

Unit

Supply voltage 2.5 V

BVDD

2.37

2.63

High-level output voltage

(BVDD =min, IOH = –1 mA)

VOH

2.0

BVDD + 0.3

Low-level output voltage

(BVDD min, IOL = 1 mA)

VOL

GND – 0.3

0.4

Table 49. GPIN DC Electrical Characteristics (3.3 V DC)

Parameter

Symbol

Min

Max

Unit

Supply voltage 3.3 V

BVDD

3.13

3.47

High-level input voltage

VIH

2BVDD + 0.3

Low-level input voltage

VIL

–0.3

0.8

Input current

(BVIN

1 = 0 V or BV

IN =BVDD)

IIN

—±5

A

Note:

1. The symbol BVIN, in this case, represents the BVIN symbol referenced in Table 1.

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