PXR40 datasheet(65/100 Pages) FREESCALE

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Electrical characteristics

PXR40 Microcontroller Data Sheet, Rev. 1

Freescale Semiconductor

5.7.3

LVDS pad specifications

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

module.

Table 13. VDD33 Pad Average DC Current

1 These are average IDDE for worst case PVT from simulation. Currents apply to output pins only for the fast pads and to input

pins only for the medium pads.

Spec

Pad Type

Symbol

Frequency

(MHz)

Load2

(pF)

2 All loads are lumped.

VDD33

(V)

VDDE

(V)

Drive/Slew

Rate Select

Current (mA)

1Medium

I33_MH

—

3.6

5.5

—

0.0007

2Fast

I33_FC

3.6

0.92

366

3.6

1.14

466

3.6

1.50

566

3.6

2.19

6Fast w/ Slew

Control

I33_FSR

3.6

0.74

750

3.6

0.52

33.33

3.6

0.19

920

3.6

0.19

200

3.6

0.19

Table 14. DSPI LVDS pad specification

Characteristic

Symbol

Condition

Min.

Value

Typ.

Value

Max.

Value

Unit

Data Rate

Data Frequency

LVDSCLK

——

—

MHz

Driver Specs

Differential output voltage

VOD

SRC=0b00 or 0b11

150

—

400

SRC=0b01

—

320

SRC=0b10

160

—

480

Common mode voltage (LVDS),

VOS

—

1.06

1.2

1.39

Rise/Fall time

TR/TF

——

—

Propagation delay (Low to High)

TPLH

——

—

Propagation delay (High to Low)

TPHL

——

—

Delay (H/L), sync Mode

tPDSYNC

——

—

Delay, Z to Normal (High/Low)

TDZ

——

500

—

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