Looking for RTC Schematics

From: COPLIN, Nicholas. (ncoplin_at_orbeng.com.au)
Date: 1999-07-12 07:07:58

Greetings All,

Does any one know of schematics to add a real time clock to the C64?

I have come across to such designs, one using the DS1216 and one in E'teknic
using a PAL and 58321.  I have tried to use a 58167, but the PC-C64 writing
timings are a little too different.  Will try again, but with a DS1287 (AT
compatible chip).

Would be interested if anyone has any designs based on either the XT or AT
clock types (HB58167 or MC146818).

Regards, Nick
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