As long as you do not need anything other than 3 wire, then you can use the
Temic components, however it will not be IrDA, and will not connect to any
of the IrDA devices. For that there are several requirements.

Kevin E. Dodd
Embedded Systems Consulting
kevindod@triax.com
503.684-3731 Reached at
541.753-3633


-----Original Message-----
From:   Havard  Torring [SMTP:ht@NEO.NO]
Sent:   Friday, May 08, 1998 12:03 AM
To:     PICLIST@MITVMA.MIT.EDU
Subject:        Re: IRDA ?? How to?

To implement a standard RS232 interface over a IRDA link is simple.
Although this means that you will drop all tha nasty SW layers associated
with IRDA, but if you don't care,...

Use the following setup:

PIC <---> TOIM3232 <--->TFDS3000

Both circuits from Temic.

Haavard.

-----------
At 23:29 07.05.98 PDT, you wrote:
>    IrDA has to be implemented in a Stack (See OSI) IrLAP(Link Access
protocol
>    handles most of the difficulties)- THen there is IrLMP which handles
the
>    connections. It can be very thin, but the trickiest part is that IrDA
>    pulses are 3/16th of the regular USART signals. I can help you some.
>
>It's always seemed to me (looking at it casually from far away) that it
>ought to be trivial to convert a software bit-banging serial routine to
the
>shorter pulses of IRDA.  Yes?  No?  I guess it would take a 16/3 faster
>processor or 16/3 more cycles, maybe (worst case?)
>
>BillW
>