RE: USB to IEC

From: Baltissen, GJPAA (Ruud) <"Baltissen,>
Date: Sat, 4 Jan 2020 07:18:27 +0000
Message-ID: <AM6PR10MB23609E16A4F9AF099D166A76E1220_at_AM6PR10MB2360.EURPRD10.PROD.OUTLOOK.COM>
Hallo allemaal,


> ... PI ... Arduino ...

The problem, or more precise, my problem with the PI is its 3.3V I/O interface. When interfacing to 5V I/O, there are always these voltage convertors needed. The Arduino doesn't have this problem. I just bought the Mega256 to see what is possible. And I also found a project that does the some basic things so I don't have to start from scratch. 


> it would be simple to add an ATN trap.

That is a must as I found out with my own CBM-HD. What is also a must is that ATN is connected to an INT line. Some years ago somebody showed a self-made device that was accepted by a CBM and 8250 but my CBM-HD had problems with it. This ATN/INT thing solved the problem. Just my two cents...


With kind regards / met vriendelijke groet, Ruud Baltissen

http://www.baltissen.org





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Received on 2020-05-30 00:07:38

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