SPC5702BECLU datasheet(16/98 Pages) FREESCALE

16 / 98 page

MPC560xS Microcontroller Data Sheet Data Sheet, Rev. 1

Preliminary—Subject to Change Without Notice

Pinout and Signal Descriptions

Freescale Semiconductor

2.4.5

Nexus Pins

Table 4. System Pin Descriptions

System pin

Function

I/O

direction

Pad

type

RESET

configuration

Pin Number

144 LQFP 176 LQFP 208 MAPBGA

RESET

Bidirectional reset with

Schmitt-Trigger

characteristics and noise

filter.

I/O

Input, weak pull

EXTAL

Analog output of the

oscillator amplifier circuit.

Input for the clock

generator in bypass

mode.

—

XTAL

Analog input of the

oscillator amplifier circuit.

Needs to be grounded if

oscillator bypass mode is

used.

—

EXTAL32

Analog input of the 32KHz

oscillator amplifier circuit.

—

XTAL32

Analog output of the 32

KHz oscillator amplifier

circuit. Input for the clock

generator in bypass

mode.

—

NMI

Non-Maskable Interrupt

I/O

Input, weak pull

VRC_CTRL Voltage Regulator

external NPN Ballast

base control pin

—25

Table 5. Nexus Pins

System pin

Function

Pin Number

144 LQFP

176 LQFP

208 MAPBGA

EVTI

Nexus Event In

—

EVTO

Nexus Event Out

—

MCKO

Nexus Msg Clock Out

—

MDO[0]

Nexus Msg Data Out

—

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