20 Dec
2007
20 Dec
'07
10:56 a.m.
From: "Andrew Lynch" <lynchaj at
yahoo.com>
Does anyone have a schematic for *simple* hardware
only circuit using a
commonly available UART, like an 8251 or 8250, to do the serial to
parallel conversion? I am looking for a schematic which I can easily
modify to strap the UART to 300bps operation.
If you don't want programmable logic, an 8251 or 8250 isn't going to
be what you want. Try a TR1602 or TR1865 or any of the other
"hardwire" UARTS--set parity, data bits, etc. by connecting
appropriate pins to Vcc or GND; put the serial data in on one pin and
take the parallel data out on 8 pins. No programming needed.
Cheers,
Chuck