Re: 6502 pods & clocks....

It's too bad email doesn't have a 'Like' button.

Would you be able to share some photos of this on your site? I'm
interested in this idea.

Matt

On 11/5/2013 5:22 PM, John Robertson wrote:
> On 11/05/2013 3:18 PM, John Robertson wrote:
>> Tic, tock...
>>
>> The 6502 will clock from either a crystal or an R/C system. The
>> problem with the R/C is the capacitor is only 10pf, so the cable
>> capacitance will sloooowwwww the clock down somewhat (900kz to 500kz
>> or so).
>>
>> So, being impatient I'm making a simple 7404 1Mhz R/C clock that fits
>> into the Fluke adapter socket and will drive the UUT 6502 CPU
>> directly, thus the pod won't interfere with the clock frequency and I
>> won't get any more timeout errors (I hope).
>>
>> John :-#)#
>
> Yes, that did work, I was getting timeout errors with the original R/C
> clock and now my little 7404 R/C clock has tidied up the signal and is
> driving at 900kz which is just fine for testing. I'm now getting
> reliable learn, etc. functions.
>
> John :-#)#
>

_______________________________________________
Techtoolslist mailing list
Techtoolslist@flippers.com
http://seven.pairlist.net/mailman/listinfo/techtoolslist
FTP site is: ftp://ttl.arcadetech.org/TTL/Test_Equipment
Archive site: http://seven.pairlist.net/pipermail/techtoolslist/
Received on Fri Nov 8 13:40:27 2013