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8068C–AVR–06/08
XMEGA A3
22. IRCOM - IR Communication Module
22.1 Features
• Pulse modulation/demodulation for infrared communication
• Compatible to IrDA 1.4 physical for baud rates up to 115.2 kbps
• Selectable pulse modulation scheme
– 3/16 of baud rate period
– Fixed pulse period, 8-bit programmable
– Pulse modulation disabled
• Built in filtering
• Can be connected to and used by one USART at the time
22.2 Overview
XMEGA contains an Infrared Communication Module (IRCOM) for IrDA communication with
baud rates up to 115.2 kbps. This supports three modulation schemes: 3/16 of baud rate period,
fixed programmable pulse time based on the Peripheral Clock speed, or pulse modulation dis-
abled. There is one IRCOM available which can be connected to any USART to enable infrared
pulse coding/decoding for that USART.
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