Synchronous serial Re: E-Mail Formats RE: Future of cctalk/cctech

Ethan Dicks ethan.dicks at gmail.com
Fri Jun 19 09:43:56 CDT 2020


On Fri, Jun 19, 2020 at 4:26 AM Dave Wade via cctalk
<cctalk at classiccmp.org> wrote:
> Its been ages since I did this but looking here
>
> https://www.aggsoft.com/rs232-pinout-cable/RS232.htm
>
> I see we have a transmit clock output on pin 24,  transmit clock input on 15 and RX clock input on 17.
> So if on checking with a scope I have clocks on 24, I would try linking 24 and 15 on one side to 17 on the other side.
> If you have only one clock running then that goes to 15 and 17 on both ends....

None of the devices I worked with in the 80s and 90s had clock
available on pin 24.  I'm not saying none exist, but they weren't
around in the era I was doing this.

-ethan


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