12 Jul
2005
12 Jul
'05
11:14 p.m.
I think it is likely that your 390 is generating two
stop bits. If your
Very likely. I think all Model 33s do.
laptop
isn't expecting that, it would likely construe the second stop bit as a
start
bit and begin looking for the next character. If none is forthcoming (as
I'd love to know why, considering that start and stop bits have opposite
levels.
In general, a receiver won't care if the transmitter generates too many
start bits, but may well object to too few.
-tony
13 Jul
13 Jul
10:40 p.m.
In general, a receiver won't care if the
transmitter generates too many
start bits, but may well object to too few.
^^^^^^^
Ouch!!! As Dwight pointed out to me in private e-mail, I did of course
mean STOP bits there.
That's what comes of posting when you've spent the entire day trying to
untangle the circuitry on the HP98780A deflection PCB...
-tony
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