Quite right.  I misread that I guess

"The PIC16F87X oscillator design requires the use of a parallel
cut crystal. Use of a series cut crystal may give a
frequency out of the crystal manufacturers specifications."

Regards,

--Brendan


----- Original Message -----
From: "Pic Dude" <picdude@AVN-TECH.COM>
To: <PICLIST@mitvma.mit.edu>
Sent: Friday, June 14, 2002 9:07 AM
Subject: Re: [PIC]: Will an unprogrammed chip oscillate?


> Isn't it the other way? -- that the Microchip docs state that
> a PARALLEL-cut crystal is required as a series cut may cause
> incorrect timing?
>
> Cheers,
> -Neil.
>
>
>
>
> -----Original Message-----
> From:
> Sent: Friday, June 14, 2002 9:47 AM
> Subject: Re: [PIC]: Will an unprogrammed chip oscillate?
>
>
> Series cut .. Parallel cut - How does one figure out which applies to the
> crystal in question. I just looked at EVERY crystal in Digikey, and NONE
> (i.e. diddlysquat, Nada, Nichts, Nyet, Zip, Zilcho) specify whether the
> crystal is parallel or serial cut. Now there are a few that allude to
> "When run in parallel mode.." "Effective series resistance" And one has a
> whole paragraph of rubber language which basically says "Your Mileage May
> Vary" when run in parallel or series mode, but none of them just come
right
> out and say one or the other.
> I guess the correct method is to use a CRYSTAL ball. <Groan>
> --Lawrence
>
> ----- Original Message -----
> From: "Brendan Moran" <annirak@BIGFOOT.COM>
> To: <PICLIST@MITVMA.MIT.EDU>
> Sent: Thursday, June 13, 2002 5:33 PM
> Subject: Re: [PIC]: Will an unprogrammed chip oscillate?
>
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