11 Mar
2007
11 Mar
'07
7:08 a.m.
> Easy to design and build - a single-chip micro
with two serial ports
would
> fit the bill nicely, otherwise you could bit-bash
the slow speed port,
or
> use an external UART. Simply set the
speed/parity/Dbits/Sbits that you
want
> for each port, then copy data between them
through buffers - when a
buffer
> approaches full, assert flow control on the
filling port, when the
buffer
later
approaches empty, deassert flow control on the filling port.
I'm not very keen on microcontroller hacking. Which one would you
recommend for something like this? I'm guessing that for a fixed-speed
job, you'd have the microcontroller, two MAX232 chips, and not much else.