MPC5646C datasheet(67/114 Pages) FREESCALE

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MPC5646C Microcontroller Data Sheet, Rev. 3

Preliminary—Subject to Change Without Notice

Freescale Semiconductor

4.13

Slow external crystal oscillator (32 kHz) electrical characteristics

The device provides a low power oscillator/resonator driver.

VFXOSC

CC T Oscillation

amplitude at EXTAL

fOSC = 40 MHz

For both VDD = 3.3 V ±

10%, VDD = 5.0 V ±

10%

—0.95

—

VFXOSCOP CC P Oscillation

operating point

——

1.8

IFXOSC

CC T Fast external crystal

oscillator

consumption

VDD = 3.3 V ± 10%,

fOSC = 40 MHz

—2

2.2

VDD = 5.0 V ± 10%,

fOSC = 40 MHz

—2.3

2.5

VDD = 3.3 V ± 10%,

fOSC = 16 MHz

—1.3

1.5

VDD = 5.0 V ± 10%,

fOSC = 16 MHz

—1.6

1.8

TFXOSCSU

CC T Fast external crystal

oscillator start-up

time

fOSC = 40 MHz

For both VDD = 3.3 V ±

10%, VDD = 5.0 V ±

10%

——

VIH

SR P Input high level

CMOS

(Schmitt Trigger)

Oscillator bypass

mode

0.65VDD_HV_A

—VDD_HV_A +0.4

VIL

SR P Input low level

CMOS

(Schmitt Trigger)

Oscillator bypass

mode

0.3

—

0.35VDD_HV_A

1 V

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

2 All values need to be confirmed during device validation.

3 Stated values take into account only analog module consumption but not the digital contributor (clock tree and

enabled peripherals).

Table 35. Fast external crystal oscillator (4 to 40 MHz) electrical characteristics

Symbol

Parameter

Conditions1

Value2

Unit

Min

Typ

Max

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