----- Original Message -----
From: "John Walshe" <John.Walshe@INPACTMICRO.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Thursday, December 20, 2001 5:10 AM
Subject: Re: [PIC]: Timer1 clocking for capture > system clock


...
>For the
> application I would really need 250nS resolution on the width of the
pulse.
>
> I'll give what I was proposing a shot and I'll let you know how it gets
on.

I think you will be forced to use an external counter like a 74HC191 that
you could gate using the pulse to be measured and reset from a PIC pin,
since you just can't get better than 1us resolution using Timer1.
...or run at 20MHz for 200ns resolution.

/\/\/\/*=Martin

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