Re: LCD64 Update /Help

From: Ruud Baltissen (Ruud.Baltissen_at_abp.nl)
Date: 2001-03-09 07:41:52

Hallo Nick,

> 1) TOD signal - I'm hoping to use a tuned 555 timer to run at 50Hz

An other idea is to use some (CMOS) gates to derive a 50 (or 60) Hz clock
out of CLK2. This is probably more precise then using a 555 and a
RC-network.
Disadvantages: more IC's, maybe more current ??? (what does a 555 need?)

Groetjes, Ruud

http://Ruud.C64.org



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