MPC5607B datasheet(71/110 Pages) FREESCALE

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Electrical characteristics

MPC5607B Microcontroller Data Sheet, Rev. 6

Freescale Semiconductor

4.15

Fast internal RC oscillator (16 MHz) electrical characteristics

The device provides a 16 MHz main internal RC oscillator. This is used as the default clock at the power-up of the device.



PLLIN

SR — FMPLL reference clock duty

cycle2

—40

—

fPLLOUT CC P FMPLL output clock frequency

—

MHz

fVCO

CC P VCO frequency without

frequency modulation

—

256

—

512

MHz

P VCO frequency with frequency

modulation

—

245.76

—

532.48

fCPU

SR — System clock frequency

—

644

MHz

fFREE

CC P Free-running frequency

—

150

MHz

tLOCK

CC P FMPLL lock time

Stable oscillator (fPLLIN = 16 MHz)

100

µs

t

STJIT

CC — FMPLL short term jitter5

fsys maximum

–4

—

t

LTJIT

CC — FMPLL long term jitter

fPLLCLK at 64 MHz, 4000 cycles

—

IPLL

CC C FMPLL consumption

TA = 25 °C

—

1 V

DD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified

2 PLLIN clock retrieved directly from FXOSC clock. Input characteristics are granted when oscillator is used in

functional mode. When bypass mode is used, oscillator input clock should verify fPLLIN and PLLIN.

3 Frequency modulation is considered ± 4%.

4 f

CPU 64 MHz can be achieved only at up to 105 °C.

5 Short term jitter is measured on the clock rising edge at cycle n and n+4.

Table 41. Fast internal RC oscillator (16 MHz) electrical characteristics

Symbol

Parameter

Conditions1

Value

Unit

Min

Typ

Max

fFIRC

CC P Fast internal RC oscillator high

frequency

TA = 25 °C, trimmed

—

MHz

SR —

—

IFIRCRUN

CC T Fast internal RC oscillator high

frequency current in running

mode

TA = 25 °C, trimmed

—

200

µA

IFIRCPWD CC D Fast internal RC oscillator high

frequency current in power

down mode

TA = 25 °C

—

µA

Table 40. FMPLL electrical characteristics (continued)

Symbol

Parameter

Conditions1

Value

Unit

Min

Typ

Max

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