Posted By
MMS
on 2018-07-08
18:10:44
 |  Re: WiModem
Sorry, you are right.
https://en.wikipedia.org/wiki/MOS_Technology_6551
For the Plus/4 RS232 mouse project did exactly the same voltage level conversion thing, with a standard Max232 circuit.
update:
That RS232 interface can be used to connect an RS232 external modem too, not only an RS232 mouse.
But there was no SW for this, so I did not emphasize.
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