Date : Wed, 27 Jul 2005 23:06:15 +0100
From : Phil Blundell <philb@...>
Subject: Re: Econet-Ethernet bridge
On Wed, 2005-07-27 at 17:04 +0000, Jules Richardson wrote:
> (although I think E can just be a free-running local clock, and it
> *might* be possible to hold -CS permanently active)
E is a regular 1MHz clock, but it needs to be synchronous to the other
signals. This is the reason for the slightly curious ADLC/MCU hookup in
my bridge design; the AVR's external memory interface doesn't provide
the timing guarantees that the 68B54 needs.
p.