16 Jun
2009
16 Jun
'09
2:29 p.m.
Ethan Dicks wrote:
I have one 1802D in a ceramic package. ISTR it will
push to 10V
(which is required to take it much above 1MHz).
It's been a while since I powered it up, but I've got a COSMAC Elf somewhere.
CDP1802 CPU, CDP1864 "Pixie" graphics chip, 256 bytes of RAM, and a core clock
of 1.789773MHz (3.579545MHz divided by 2). The whole board is running on 5V,
and works fine.
I don't think I ever did anything remotely interesting with it, but it's still
a neat toy.
--
Phil.
classiccmp at philpem.me.uk
http://www.philpem.me.uk/