[Coco] Kip's Single Board Computer
RETRO Innovations
go4retro at go4retro.com
Fri Sep 18 20:57:32 EDT 2015
On 9/18/2015 7:53 PM, Gene Heskett wrote:
> Next then is to verify that it is indeed running. A scope able to
> measure frequency would be the fastest way. That way you can check both
> amplitude and get a 5% accurate or better frequency measurement.
>
> Cheers, Gene Heskett
That's the point. It is not running. Xtal is nearly 5V, and Extal is
nearly GND. Q and E show no pulse train. Scope is a Tek 2465, good to
300MHz, and rarely lies. frequency counter shows 0 Hz.
Vcc shows 5V, Vss shows GND.
Jim
--
RETRO Innovations, Contemporary Gear for Classic Systems
www.go4retro.com
store.go4retro.com
More information about the Coco
mailing list