Jumpers; Table 13. J2-Dis_Irda - ZiLOG eZ80L92 User Manual

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
Development Platform.

Jumpers

The eZ80
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 connection enables/disables IrDA transceiver functional-
ity. When the shunt is placed, IrDA communication is disabled. See
Table 13.
Shunt
Status Function
IN IrDA interface disabled UART0 is configured to work with the RS232 or the
OUT IrDA interface enabled The IrDA and UART0 interfaces on the eZ80L92
UM012906-0103
®
Development Platform provides a number of jumpers that are
Table 13. J2—DIS_IrDA
Affected Device
RS485 interfaces.
Module perform their functions.
PRELIMINARY
eZ80L92 Development Kit
User Manual
®
CPU and the eZ80
Operational Description
35
®