MWPR1516CFM datasheet(21/38 Pages) NXP

21 / 38 page

3.3.1 External oscillator (OSC) and ICS characteristics

Table 16. OSC and ICS specifications (temperature range = -40 to 85 °C

ambient)

Characteristic

Symbol

Min

Typical1

Max

Unit

Crystal or

resonator

frequency

Low range (RANGE = 0)

flo

31.25

32.768

39.0625

kHz

High range (RANGE = 1)

fhi

—

MHz

Load capacitors

C1, C2

See Note2

Feedback resistor

Low Frequency, Low-Power Mode3

—

MΩ

Low Frequency, High-Gain Mode

—

MΩ

High Frequency, Low-Power Mode

—

MΩ

High Frequency, High-Gain Mode

—

MΩ

Series resistor -

Low Frequency

Low-Power Mode 3

—

kΩ

High-Gain Mode

—

200

—

kΩ

Series resistor -

High Frequency

Low-Power Mode3

—

kΩ

Series resistor -

High Frequency,

High-Gain Mode

4 MHz

—

kΩ

8 MHz

—

kΩ

16 MHz

—

kΩ

24 MHz

—

kΩ

Crystal start-up

time low range =

32.768 kHz

crystal; High

range = 24 MHz

crystal4,5

Low range, low power

tCSTL

—

1000

—

Low range, high gain

—

800

—

High range, low power

tCSTH

—

High range, high gain

—

1.5

—

Internal reference start-up time

tIRST

—

µs

Internal reference clock (IRC) frequency trim range

fint_t

31.25

—

39.0625

kHz

Internal reference

clock frequency,

factory trimmed

T = 25 °C, VDD = 5 V

fint_ft

—

37.5

—

kHz

DCO output

frequency range

FLL reference = fint_t, flo, or fhi/RDIV

fdco

—

MHz

Factory trimmed

internal oscillator

accuracy

T = 25 °C, VDD = 5 V

Δfint_ft

-0.5

—

0.5

Deviation of IRC

over temperature

when trimmed at

T = 25 °C, VDD =

5 V

Over temperature range from -40 °C to

85°C

Δfint_t

-1

—

0.5

Over temperature range from 0 °C to

85°C

Δfint_t

-0.5

—

0.5

Frequency

accuracy of DCO

output using

factory trim value

Over temperature range from -40 °C to

85°C

Δfdco_ft

-2

—

1.5

Over temperature range from 0 °C to

85°C

Δfdco_ft

-1

—

1.5

Table continues on the next page...

Peripheral operating requirements and behaviors

MWPR1516 16 KB Flash, Rev2, 1/2015.

Freescale Semiconductor, Inc.

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