Hi,
Andy Kunz wote:
>Has anybody used any of these devices with a PIC?  We're having all
kinds
>of fun -

Well the MAX3100 is used by an current project, it works
basiclly as advertized however I have major objections regarding
the IRQ function. My handler for the uart was an isr based piece of
code,
and used an documented feature where one can abort the 16 bit spi
transfer
after the first 2 bits ( rx/tx buffers status ) if one was so inclined
(i.e. the tx was empty and I had no more bytes to send, and the rx was
empty).
 I never really got it working the way I assumed it would. I had to
write the=20
code in an extremly ugly way ( an loop inside the isr handler ) as the
irq=20
pin from the uart, in some cases never triggered the int pin of the pic.

Now these problem could be caused by either my assumptions, my code, or
something
relating to pic int pin and the MAX3100 int pin.=20

However, the way it's written now it has never failed me or caused any
side effects.

I think I even have some pseudo code that I can share.

/Tony

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