MPC5744P datasheet(107/114 Pages) FREESCALE

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Electrical characteristics

MPC5744P Data Sheet, Rev. 0.3

Preliminary—Subject to Change Without Notice

Freescale Semiconductor

107

3.17.7

FlexRay

3.17.7.1

FlexRay timing parameters

This section provides the FlexRay interface timing characteristics for the input and output signals.

These numbers are recommended per the FlexRay Electrical Physical Layer Specification, Version 3.0.1,

and subject to change per the final timing analysis of the device.

7 Total lumped capacitance including silicon, package pin and bond wire. Application board simulation needed to verify LFAST

template compliancy.

8 Absolute min = 0.15 V – (285 mV / 2) = 0 V

9 Absolute max = 1.6 V + (285 mV / 2) = 1.743 V

10 Total capacitance including silicon, package pin and bond wire

11 Total inductance including silicon, package pin and bond wire

Table 47. LFAST electrical characteristics1

NOTES:

1 The specifications in this table apply to both the interprocessor bus and debug LFAST interfaces.

Symbol

Parameter

Condition

Value

Unit

Min

Nominal

Max

FRF_REF

SysClk Frequency

—

262

2 Guarantee of the 26 MHz SysClk frequency specification is pending device characterization.

MHz

ERRREF

SysClk Frequency Error

—

–1

—

DCREF

SysClk Duty Cycle

—

CLOAD

Output Buffer Load Capacitance

—

RLOAD

Output Buffer Load Resistance

—

Integrated Phase Noise (single

side band)

20 MHz

—

–58

dBc

10 MHz

—

–64

dBc

FVCO

PLL VCO Frequency

—

320

—

MHz

TLOCK

PLL Phase Lock

—

µs

ΔPER

PLL Long Term Jitter (peak to

peak)

——

—

600

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