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From: Mario Trams
Subject: Re: 65816 CPU @ 20MHz and 70ns EEPROM?
Date: Tue, 21 Jan 2003 10:24:16 -0500
Organization: TU Chemnitz
NNTP-Posting-Date: 21 Jan 2003 09:15:01 GMT
> I am designing a single board computer that will use 65816 (W65C816S) at
> 20MHz. From my calculations it seems that 20MHz clock has a cycle of 50ns.
> How can I use a 70ns (or 120ns) EEPROM and still be able to read its
> contents? Do I have to implement wait states? How would one go about doing
> that with 65816?
Once I worked with this CPU and developed a piece of hardware.
You may have a look at:
I had to deal with wait states as well.
On this site you will also find a more or less extensive documentation
of this old project. You can also read there how I managed the wait state
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