MPC8313E datasheet(37/92 Pages) FREESCALE

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MPC8313E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 1

Freescale Semiconductor

Local Bus

10 Local Bus

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

10.1 Local Bus DC Electrical Characteristics

Table 42 provides the DC electrical characteristics for the local bus interface.

10.2

Local Bus AC Electrical Specifications

Table 43 describes the general timing parameters of the local bus interface.

Table 42. Local Bus DC Electrical Characteristics at 3.3 V

Parameter

Symbol

Min

Max

Unit

High-level input voltage

VIH

2LVDD + 0.3

Low-level input voltage

VIL

–0.3

0.8

Input current, (VIN

1 = 0 V or V

IN = LVDD)IIN

—

±5

μA

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

VOH

LVDD – 0.2

—

Low-level output voltage, (LVDD = min, IOH = 2 mA)

VOL

—0.2

Table 43. Local Bus General Timing Parameters

Parameter

Symbol 1

Min

Max

Unit

Notes

Local bus cycle time

tLBK

—

Input setup to local bus clock

tLBIVKH

—

3, 4

Input hold from local bus clock

tLBIXKH

1.0

—

3, 4

LALE output fall to LAD output transition (LATCH hold time)

tLBOTOT1

1.5

—

LALE output fall to LAD output transition (LATCH hold time)

tLBOTOT2

3—

LALE output fall to LAD output transition (LATCH hold time)

tLBOTOT3

2.5

—

LALE output rise to LCLK negative edge

tLALEHOV

—3.0

—

LALE output fall to LCLK negative edge

tLALETOT1

–1.5

—

LALE output fall to LCLK negative edge

tLALETOT2

–5.0

—

LALE output fall to LCLK negative edge

tLALETOT3

–4.5

—

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