MPC5674F datasheet(36/132 Pages) FREESCALE

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MPC5674F Microcontroller Data Sheet, Rev. 6

Electrical Characteristics

Freescale Semiconductor

4.7.3

LVDS Pad Specifications

LVDS pads are implemented to support the MSC (Microsecond Channel) protocol, which is an enhanced feature of the DSPI

module.

4.8

Oscillator and FMPLL Electrical Characteristics

Table 17. DSPI LVDS Pad Specification 1, 2

(VDD33 = 3.0 V to 3.6 V, VDDEH = 4.75 V to 5.25 V, TA =TL to TH)

1 These are typical values that are estimated from simulation.

2 These specifications are subject to change per device characterization.

Spec

Characteristic

Symbol

Min

Typical

Max

Unit

Data Rate

Data Frequency

fLVDSCLK

—40—

MHz

Driver Specs

Differential Output Voltage

VOD

150

—

400

Common Mode Voltage (LVDS), VOS

VOS

1.075

1.2

1.325

Rise/Fall Time

tR or tF

—2—

Delay, Z to Normal (High/Low)

tDZ

—

500

—

Differential Skew between Positive and

Negative LVDS Pair

I tphla –tplhb I or I tplhb –tphla I

tSkew

——

0.5

Termination

Transmission Line (Differential)

100

105

ohm

Table 18. FMPLL Electrical Specifications1

(VDDSYN = 3.0 V to 3.6 V, VSS =VSSSYN =0 V, TA =TL to TH)

Spec

Characteristic

Symbol

Min

Max

Unit

PLL Reference Frequency Range2 (Normal Mode)

Crystal Reference (PLLCFG2 = 0b0)

Crystal Reference (PLLCFG2 = 0b1)

External Reference (PLLCFG2 = 0b0)

External Reference(PLLCFG2 = 0b1)

fref_crystal

fref_ext

403

MHz

PLL Frequency 4

Enhanced Mode

fPLL

fvco(min) ÷ 64

fmax

MHz

Loss of Reference Frequency5

fLOR

100

1000

kHz

Self Clocked Mode Frequency6

fSCM

416

MHz

PLL Lock Time7

tLPLL

—

<750

μs

Duty Cycle of Reference 8, 9

tDC

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