Calculator Community > [OTcalc] Z80-Hardware

VOTE: CPU for OTZ80 - eZ80 20 MHz or 50 MHz?

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alberthrocks:
UPDATE: This poll will end tonight. If you haven't already voted, please do so now! (8/9/2010 is the end date!)
UPDATE: Majority says eZ80 50 MHZ, underclockable to 20 MHZ! Voting is now closed. This is now a final feature in OTZ80!

[This is a separate topic to help keep things organized.]

What will the CPU be? It seems everybody has agreed to eZ80, so we'll use that.

What clock speed will we use?
There's only 2 choices here AFAIK (from http://digikey.com/PTM/PTMPartList.page?site=us&lang=en&ptm=6200&WT.z_ptm_structured=Buy%20Now%20Button): 20 mhz or 50 mhz?

So VOTE: eZ80 20 mhz or 50 mhz?
(Ignore the specs about memory for now. We'll decide on them in a later poll.)

DJ Omnimaga:
20

Less power usage. The price difference is not great, but for the user, the long-term price difference will be, with all those batteries being wasted.

calc84maniac:
edit: I gave a wrong link :O

SirCmpwn:
Multithreading, guys.  It would be really nice, am I right?

fb39ca4:
I say 20 mhz. Remember that eZ80 processors are about 4x as efficient as ordinary z80s, so its like having an 80 mhz z80.

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