Hi Chad!
>>But I need to read only, with SWCHA being a constant
>>input. Could that possibly allow higher rates, like
the
>>ones Chad experienced somehow?
>It really just depends on what else you want to do
while reading the
>data. As I've said before, I had a working serial
download system running
>at 38.4 kbps. It's really just a matter of how fast
you sample the input
>line, and the jitter imposed by whatever timeout
function you use to
>indicate when to sample again.
For the project I've in mind, that rate would already
allow me passing the first k.o. criteria :-)
If I pass a few more hurdles in the concept stage, You
can expect me ordering a cuttle cart soon :-)
>If you only read the port, and thus don't change it's
configuration, the
>400 uS delay does not apply.
Excellent!
>But if you throw something together, don't forget to
adjust the levels of
>the RS-232 input down to TTL before feeding it to the
Atari.
I anyway need to do some, uhm... what's the english
expression... hm... optic-isolation?
Let's try it this way:
I need to secure two separate circuits parted via an
optical interface, since the signal I intend to feed is
not produced by voltage, but by current swing.
Greetings,
Manuel
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