Re: Help with SX64 User Port?

From: Leif Bloomquist <leif_at_schemafactor.com>
Date: Mon, 26 Oct 2015 17:03:43 -0400
Message-ID: <CAOTCz+HZPAjGet+eQrqV8rTQDCSFj+0OfePGeFs-_+WXyXSX8g@mail.gmail.com>
What happens if both sides of a 4066 channel are connected to an
output though?   (since it's possible to configure both the Arduino
and CIA as outputs).



On Sun, Oct 25, 2015 at 1:17 PM, Gerrit Heitsch
<gerrit@laosinh.s.bawue.de> wrote:
> On 10/25/2015 06:05 PM, Leif Bloomquist wrote:
>>
>>
>> I looked into buffers but was unable to find a through-hole
>> *bidirectional* buffer, so I'll stick with this approach unless
>> someone has a different solution?
>
>
> How about a 4066? Yes, it's a switch, but if you just tie the Enable signal
> to +5V it becomes a buffer. If it's fast enough for controlling access to
> the color RAM in the C64, it should be fast enough anything I/O-related.
>
>  Gerrit
>
>
>
>
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Received on 2015-10-26 22:00:08

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