Re: gEDA-user: M68K bus and transmission line ringing

[Bob Paddock <bob.paddock@xxxxxxxxx>]

On Saturday 20 October 2007 03:49:47 am Michael Sokolov wrote:

> > Take a look at the "DTACK Grounded" archives:
> >
> > http://www.amigau.com/68K/dg/dg.htm
>
> Ahh, here comes the crucial difference between the plain 68000 and 68302.
> With the latter there is no need to resort to ugliness like grounding
> DTACK... one of the on-chip goodies in the 302 is the chip select logic.

I've used both chips.  "DTACK Grounded" is the name of a newsletter
that came out when the 68000 was a very new device.  It is still
worth looking at.


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