MPC5533 datasheet(20/50 Pages) FREESCALE

20 / 50 page

MPC5533 Microcontroller Data Sheet, Rev. 0.0

Electrical Characteristics

Freescale Semiconductor

3.9

Oscillator and FMPLL Electrical Characteristics

Table 12. FMPLL Electrical Specifications

(VDDSYN = 3.0–3.6 V; VSS = VSSSYN = 0.0 V; TA = TL to TH)

Spec

Characteristic

Symbol

Minimum

Maximum

Unit

PLL reference frequency range: 1

Crystal reference

External reference

Dual controller (1:1 mode)

fref_crystal

fref_ext

fref_1:1

fsys ÷ 2

MHz

System frequency 2

fsys

ICO

(MIN) ÷ 2

RFD

fMAX

MHz

System clock period

tCYC

—1

÷ f

sys

Loss of reference frequency 4

fLOR

100

1000

kHz

Self-clocked mode (SCM) frequency 5

fSCM

7.4

17.5

MHz

EXTAL input high voltage crystal mode 6

All other modes

[dual controller (1:1), bypass, external reference]

VIHEXT

VXTAL + 0.4 V

(VDDE5 ÷ 2) + 0.4 V

—

EXTAL input low voltage crystal mode 7

All other modes

[dual controller (1:1), bypass, external reference]

VILEXT

—

VXTAL – 0.4 V

(VDDE5 ÷ 2) – 0.4 V

8XTAL current 8

IXTAL

0.8

Total on-chip stray capacitance on XTAL

CS_XTAL

—1.5

Total on-chip stray capacitance on EXTAL

CS_EXTAL

—1.5

Crystal manufacturer’s recommended capacitive

load

Refer to crystal

specification

Refer to crystal

specification

Discrete load capacitance to connect to EXTAL

CL_EXTAL

—

× C

L) – CS_EXTAL

– CPCB_EXTAL

Discrete load capacitance to connect to XTAL

CL_XTAL

—

× C

L) – CS_XTAL

– CPCB_XTAL

PLL lock time 10

tlpll

—

750

μs

Dual controller (1:1) clock skew

(between CLKOUT and EXTAL) 11, 12

tskew

–2

Duty cycle of reference

tDC

Frequency unLOCK range

fUL

–4.0

4.0

% fSYS

Frequency LOCK range

fLCK

–2.0

2.0

% fSYS

MPC5533 Folha de dados(PDF) 20 Page - Freescale Semiconductor, Inc

MPC5533 Folha de dados(HTML) 20 Page - Freescale Semiconductor, Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

Folha de dados Download

Ligação URL