Microcontroller with 4 USARTs and 40 pins
andy howard email (remove spam text)
> From: "Dan Michaels" <LYNX.SNI.NET> oricom
> Edson Brusque wrote:
> >> someone knows if there's a microcontroller with 4 USARTs
> >> 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
> >> 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,
See also: www.piclist.com/techref/io/serials.htm?key=usart
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