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Old 15 September 2014, 09:06   #3
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Originally Posted by Jope View Post
The clock port is memory mapped io, you need address decoding and a chip that provides you a register you can write to in order to be able to use it as GPIO.

If you want a pre-provided TTL GPIO port, use the printer port, like everyone on every computer did in the 80s/90s.

8-bit C= users used the user port for the same purpose.
Thanks, I see.

So you say it is possible to replicate or at least do equivalent hardware projects as for the RPI using the printer port?
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