SPC5604BF2MLL6 datasheet(68/109 Pages) FREESCALE

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MPC5604B/C Microcontroller Data Sheet, Rev. 11

Package pinouts and signal descriptions

Freescale Semiconductor

3.24

Fast internal RC oscillator (16 MHz) electrical characteristics

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

Table 41. FMPLL electrical characteristics

Symbol

Parameter

Conditions1

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

Value

Unit

Min

Typ

Max

fPLLIN SR — FMPLL reference clock2

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.

—4

—

MHz

PLLIN SR — FMPLL reference clock duty

cycle2

—40

—

fPLLOUT CC D FMPLL output clock frequency

—

MHz

fVCO3

3 Frequency modulation is considered ±4%

CC P VCO frequency without

frequency modulation

—

256

—

512

MHz

C VCO frequency with frequency

modulation

—

245

—

533

fCPU

SR — System clock frequency

—

MHz

fFREE CC P Free-running frequency

—

150

MHz

tLOCK CC P FMPLL lock time

Stable oscillator (fPLLIN = 16 MHz)

—

100

µs

tSTJIT CC — FMPLL short term jitter4

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

fsys maximum

–4

—

tLTJIT CC — FMPLL long term jitter

fPLLIN = 16 MHz (resonator),

fPLLCLK @ 64 MHz, 4000 cycles

—

IPLL

CC C FMPLL consumption

TA = 25 °C

—

Table 42. 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 —

—

IFIRCRUN2, 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 = 125 °C

—

µA

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