MPC5604B datasheet(41/72 Pages) FREESCALE

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Electrical characteristics

MPC5604B/C Microcontroller Data Sheet, Rev. 4

Freescale Semiconductor

4.17

Slow internal RC oscillator (128 kHz) electrical characteristics

The device provides a 128 kHz slow internal RC oscillator. This can be used as the reference clock for the RTC module.

2 All values need to be confirmed during device validation.

3 This does not include consumption linked to clock tree toggling and peripherals consumption when RC oscillator is

ON.

Table 37. Slow internal RC oscillator (128 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

fSIRC

CC P Slow internal RC oscillator low

frequency

TA = 25 °C, trimmed

—

128

—

kHz

SR —

—

100

—

150

ISIRC

3 This does not include consumption linked to clock tree toggling and peripherals consumption when RC oscillator is

ON.

CC C Slow internal RC oscillator low

frequency current

TA = 25 °C, trimmed

—

µA

TSIRCSU

CC P Slow internal RC oscillator start-up

time

TA = 25 °C, VDD = 5.0 V ± 10%

—

µs

SIRCPRE

CC C Slow internal RC oscillator precision

after software trimming of fSIRC

TA = 25 °C

−2

—

SIRCTRIM

CC C Slow internal RC oscillator trimming

step

—

2.7

—

SIRCVAR

CC C Slow internal RC oscillator variation

in temperature and supply with

respect to fSIRC at TA = 55 °C in high

frequency configuration

High frequency configuration

−10

—

+10

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