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Re: Frequency and ns???
- Subject: Re: Frequency and ns???
- From: "Liam Busey" <buseyl@yahoo.com>
- Date: Fri, 14 Jun 2002 22:21:16 +0200
- Newsgroups: comp.sys.apple2
- Organization: Posted via Supernews, http://www.supernews.com
- References: <%VnO8.238738$Gs.20838317@bin5.nnrp.aus1.giganews.com>
- Xref: archiver1.google.com comp.sys.apple2:20425
"Bryan Parkoff" <BParkoff@satx.rr.com> wrote in message
news:%VnO8.238738$Gs.20838317@bin5.nnrp.aus1.giganews.com...
> Frequency and ns???
>
> How can I calculate CPU's 2.8MHz into nanoseconds. For example: 65816
> has 28MHz Crystal that shows fixed number -- 28636360 that do every 65th
> 1MHz cycle that can be translated into 140ns. (I wonder where the fixed
> number come from because of 28MHz crystal)
>
> --
> Yours Truly,
>
> Bryan Parkoff
> BParkoff@satx.rr.com
>
>
Frequency = cycles per second
nanoseconds = a small unit of time useful for measuring 'period', the
length of time for one cycle
28MHz is a more readable form of 28636360 Hz
- Liam