[Coco] TC-9

[Chuck Youse]

On Mon, 2008-07-07 at 23:29 -0400, jdaggett at gate.net wrote:

> The MC6809E, no internal oscillator,  the E and Q clocks are inputs and 
> sink very little current.   

I believe you are mistaken.  The E clock on the 6809E is not a simple
TTL signal, it has different voltage and current requirements because it
directly drives the internal circuitry.  Look at the data sheet.

C.