MPC5604B datasheet(39/72 Pages) FREESCALE

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Electrical characteristics

MPC5604B/C Microcontroller Data Sheet, Rev. 4

Freescale Semiconductor

4.15

FMPLL electrical characteristics

The device provides a frequency-modulated phase-locked loop (FMPLL) module to generate a fast system clock from the main

oscillator driver.

Table 34. Slow external crystal oscillator (32 kHz) electrical characteristics

Symbol

Parameter

Conditions1

1 V

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

Value2

2 All values need to be confirmed during device validation.

Unit

Min

Typ

Max

fSXOSC

SR — Slow external crystal oscillator

frequency

—

32.768

kHz

gmSXOSC

CC — Slow external crystal oscillator

transconductance

VDD = 3.3 V ± 10%,

PAD3V5V = 1

TBD

mA/V

VDD = 5.0 V ± 10%

PAD3V5V = 0

TBD

VDD = 3.3 V ± 10%,

PAD3V5V = 1

TBD

VDD = 5.0 V ± 10%,

PAD3V5V = 0

TBD

VSXOSC

CC T Oscillation amplitude

—

2.1

—

ISXOSCBIAS CC T Oscillation bias current

—

TBD

µA

ISXOSC

CC T Slow external crystal oscillator

consumption

—

µA

TSXOSCSU CC T Slow external crystal oscillator

start-up time

—

3 Start-up time has been measured with EPSON TOYOCOM MC306 crystal. Variation may be seen with other crystal

Table 35. FMPLL electrical characteristics

Symbol

Parameter

Conditions1

1 V

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

Value2

Unit

Min

Typ

Max

fPLLIN

SR — FMPLL reference clock3

—

MHz

PLLIN

SR — FMPLL reference clock duty

cycle(3)

—

fPLLOUT CC P FMPLL output clock frequency

—

MHz

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

Δt

LTJIT

CC — FMPLL long term jitter

fPLLIN = 16 MHz (resonator),

fPLLCLK @ 64 MHz, 4000 cycles

—

IPLL

CC C FMPLL consumption

TA = 25 °C

—

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