Chris Elmquist wrote:
You know, that RS-232 that comes straight out of
a microcontroller's
UART at 3.3v or 1.8v swings... that RS-232.
Cool! That means I can connect it directly to my ASR33!
For input (ASR33 to microcontroller) you might get away with it -- after
all the trasnmit loop of the ASR33 is just switch contacts. Although for
some contacts having too low a voltage can prevent them self-cleaning
properly.
For output (microcontroller to ASR33), well 'You cna try it if you like
but you'd far better not-a'. I doubt the ASR33 would mind a bit, though
:-)
-tony