Troubleshooting; Overview; Irda Port Not Working - ZiLOG eZ80F91 User Manual

Troubleshooting

Overview

Before contacting Zilog Customer Support to submit a problem report,
follow these simple steps. If a hardware failure is suspected, contact a
local Zilog representative for assistance.

IrDA Port Not Working

If you are using the IrDA transceiver on the eZ80F91 Module, ensure the
hardware is set up as follows:
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•
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UM017009-0708
Turn OFF the Jumper J9 on the eZ80Acclaim!
(to enable the control gate that drives the IrDA device).
Set port pin PD2 Low. When this port pin and Jumper J9 are turned
OFF, the IrDA device is enabled.
Disable the RS-232 output by installing a shunt on jumper J8 on the
eZ80Acclaim! MDS adapter board.
eZ80F91 Modular Development Kit
®
MDS adapter board
User Manual
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Troubleshooting