TFDU6108-TT3 datasheet(11/27 Pages) VISHAY

Part #	TFDU6108-TT3

Description	Fast Infrared Transceiver Module (4 Mbit/s), IrDA Serial Interface Compatible, 2.7 V to 5.5 V Supply Voltage Range

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Manufacturer	VISHAY [Vishay Siliconix]

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11 / 27 page

VISHAY

TFDU6108

Document Number 82537

Rev. 1.6, 25-Jun-04

Vishay Semiconductors

www.vishay.com

11

Appendix A

Serial Interface Implementation

Basics of the IrDA Definitions

The data lines are multiplexed with the transmitter

and receiver signals and separate clocks are used

since the transceivers respond to the same address.

When no infrared communication is in progress and

the serial bus is idle, the IRTX line is kept low and

IRRX is kept high.

17092

Figure 5. Interface to Two Infrared Transceivers

17093

Figure 6. Infrared Dongle with Differential Signaling

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