piclist 2000\05\29\132333a >
Thread: Microcontroller with 4 USARTs and 40 pins
face BY : andy howard email (remove spam text)

> From: "Dan Michaels" <oricomspam@spam@LYNX.SNI.NET>
> Edson Brusque wrote:
> .....
> >>     someone knows if there's a microcontroller with 4 USARTs
capable of
> >> working at 31250bps? I need extra 24 I/Os minimum. One USB port
would be a
> >> plus. Also, I would need an A/D converter, but I could use an
external one.
> >>     Maybe a SCENIX can do 4 USARTs as virtual peripherals???
> Scenix can easily do this, **BUT** you will have to go to 48 or
> 52-pin PQFP part - with tiny smt pads - to get 24 additional I/O
> No PLCC available. [or possibly do a multiprocessor with 18 & 28
> pin parts - not all that hard to build off a single RS-232 host line].

> And I suspect with the scenix, you actually could get the weird
> 31250 rate you indicate here - or any other weird baudrate imaginable.
> But whatcha gonna talk to at that speed?

I'm guessing here, how about the world's second most common serial port,

<048001bfc992$44cf2ea0$2ccb28c3@oemcomputer> 7bit

See also: www.piclist.com/techref/io/serials.htm?key=usart
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Subject (change) Microcontroller with 4 USARTs and 40 pins

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