[Techtoolslist] 6502 pods & clocks....

[Matthew Rossiter]

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 :-#)#

>