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 Post subject: Re: The J64C
PostPosted: Thu Sep 21, 2023 10:55 pm 
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Joined: Sun Jul 11, 2021 9:12 am
Posts: 155
plasmo wrote:
40Mhz is realistic. I have a hand wired design that does 40Mhz with elevated supply voltage of 5.4V. I have a revised pc board coming in next week that I hope to run 40Mhz at nominal 5V.

50Mhz is incredible!
Bill


Sorry, to get your hopes up. I just ammended my last post there. I was running through a clock divider still. So 25 MHz it is right now. :oops:

Will still be pursuing how fast I can push this. You still hold the crown as fastest, by a long margin. 8)

Hopefully, if nothing else. You now know that the figures I report are in complete honesty. :D


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 Post subject: Re: The J64C
PostPosted: Fri Sep 22, 2023 12:02 am 
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Joined: Fri Dec 21, 2018 1:05 am
Posts: 1117
Location: Albuquerque NM USA
Oh, OK. I’m excited that more people are looking into overclocking 6502 with different set of hardware. I think using 65C22 as the I/O device has great overclocking potential.
Bill


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 Post subject: Re: The J64C
PostPosted: Fri Sep 22, 2023 12:30 am 
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Joined: Sun Jul 11, 2021 9:12 am
Posts: 155
Will certainly keep you posted. It got to 25 MHz effortlessly. So I am hoping I can squeeze a lot more out of it.


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