Zilog EZ80190 Bedienungsanleitung PDF herunterladen (Seite 39)

eZ80190 Development Kit

User Manual

UM014108-0810 Operational Description

PB1

The PB1 push button switch, SW2, is connected to bit 1 of the general-

purpose port. This switch can be used as the port input if required by the

user.

PB2

The PB2 push button switch, SW3, is connected to bit 2 of the general-

purpose port. This switch can be used as the port input if required by the

user.

RESET

The Reset push button switch, SW4, resets the eZ80

CPU and the

eZ80Acclaim!

Development Platform.

Jumpers

The eZ80Acclaim!

Development Platform provides a number of jump-

ers that are used to enable or disable functionality on the platform, enable

or disable optional features, or to provide protection from inadvertent use.

Jumper J2

The J2 jumper enables/disables IrDA transceiver functionality. When the

shunt is placed, IrDA communication is disabled. This jumper does not

perform any functions when the eZ80190 Module is installed.

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Zilog EZ80190 Bedienungsanleitung Seite 39