At 09:40 08.05.98 +0100, you wrote:
>HŒvard T¿rring wrote:
>> 
>> 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.
>
>IIRC, the Temic RS232<->IrDA translator needs the UART's clock as well as the
>serial data stream.  Is it possible to extract this from either a hardware
>USART or software bit-bang based PIC?  Since this is 16x the data rate, what
>is the maximum speed that can be reached with this method?
>

TOIM3000 needs the UARTS' clock. TOIM3232 does not need it. However, you
have to tell it what baudrate you are going to use if it differs from
9600bps. I have used it at 9600bps. 115kbps should be possible!

Haavard