Thanks Dave for pointing out this "Note"... I have been looking for this
type of info, but only in the Electrical section...
----- Original Message -----
From: David Williams <email@example.com>
To: <ucsimm@uClinux.com>; Sam Saprunoff <firstname.lastname@example.org>
Sent: Thursday, February 03, 2000 3:02 PM
Subject: Re: [uCsimm] Are the uCsimm I/O pins 5V Tolerant?
> Hi Sam,
> On page 2-3 of the 68EZ328 user manual it says
> "Note: All pins, except EXTAL, support TTL levels. When EXTAL is used as
> an input
> clock, it needs a CMOS level. To ensure proper low-power operation, all
> should be driven to CMOS level. More power is consumed when you use a
> level to drive those inputs."
> I think this is the info you require. So 5V is OK, but will cause system
> to consume more power when going into low power modes.
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