SPC560B64L5 datasheet(96/134 Pages) STMICROELECTRONICS

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Electrical characteristics

SPC560B54/6x

96/134

Doc ID 15131 Rev 6

4.15

Fast internal RC oscillator (16 MHz) electrical characteristics

The device provides a 16 MHz main internal RC oscillator. This is used as the default clock

at the power-up of the device.

fPLLOUT CC P

FMPLL output clock

frequency

—16

—

MHz

fVCO

(3)

VCO frequency without

frequency modulation

—

256

—

512

MHz

VCO frequency with

frequency modulation

—

245.76

—

532.48

fCPU

SR — System clock frequency

—

64(4)

MHz

fFREE

CC P Free-running frequency

—

150

MHz

tLOCK

CC P FMPLL lock time

Stable oscillator

(fPLLIN =16 MHz)

100

µs

ΔtSTJIT CC — FMPLL short term jitter(5)

fsys maximum

–4

—

ΔtLTJIT CC — FMPLL long term jitter

fPLLCLK at 64 MHz, 4000 cycles

—

IPLL

CC C FMPLL consumption

TA = 25 °C

—

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

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 ΔPLLIN.

Frequency modulation is considered ± 4%.

fCPU 64 MHz can be achieved only at up to 105 °C.

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

Table 41.

FMPLL electrical characteristics (continued)

Symbol

Parameter

Conditions(1)

Value

Unit

Min

Typ

Max

Table 42.

Fast internal RC oscillator (16 MHz) electrical characteristics

Symbol

Parameter

Conditions(1)

Value

Unit

Min

Typ

Max

fFIRC

CC P Fast internal RC oscillator

high frequency

TA = 25 °C, trimmed

—

MHz

SR —

—

IFIRCRUN

(2)

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 = 25 °C

—

µA

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