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'[PIC] 18F452 PLL'
2006\09\26@071327 by Jinx

face picon face
> What am I missing here?

Changed the crystal ?

Checked the board ?

Pins reaching board ? (assumed a socket)

2006\09\26@074401 by Tom Sefranek

face picon face


Jinx wrote:

>>What am I missing here?
>>    
>>
>
>Changed the crystal ?
>
O-Scope shows 10 MHz.
(It's an oscillator, not a crystal)
No, I have not changed it.

>
>Checked the board ?
>
>Pins reaching board ? (assumed a socket)
>  
>
Ahhh, the PIC is running, just not at 40 MHz, it running at 10 MHz.

--
 *
 |  __O    Thomas C. Sefranek   spam_OUTWA1RHPTakeThisOuTspamARRL.net
 |_-\<,_   Amateur Radio Operator: WA1RHP  
 (*)/ (*)  Bicycle mobile on 145.41, 448.625 MHz

hamradio.cmcorp.com/inventory/Inventory.html
http://www.harvardrepeater.org

2006\09\26@102215 by Neil Baylis

picon face
PLL doesn't work with an external oscillator. It has to be a crystal.



On 9/26/06, Tom Sefranek <.....tcsKILLspamspam@spam@cmcorp.com> wrote:
{Quote hidden}

> -

2006\09\26@150700 by Thomas C. Sefranek

face picon face
Let me show you how many projects I have done with the PIC18F452 that DO use
an oscillator and PLL!  It would be boring after a while...

 *
 |  __O    Thomas C. Sefranek  .....WA1RHPKILLspamspam.....ARRL.NET
 |_-\<,_   Amateur Radio Operator: WA1RHP
 (*)/ (*)  Bicycle mobile on 145.41MHz PL74.4

ARRL Instructor, Technical Specialist, VE Contact.
hamradio.cmcorp.com/inventory/Inventory.html
http://www.harvardrepeater.org

{Original Message removed}

2006\09\26@160543 by Neil Baylis

picon face
OK. It just doesn't work for me.

I must be doing wrong whatever the OP is doing wrong. Tired multiple
times and never was able to make it work.

On 9/26/06, Thomas C. Sefranek <EraseMEtcsspam_OUTspamTakeThisOuTcmcorp.com> wrote:
{Quote hidden}

> {Original Message removed}

2006\09\26@161241 by Neil Baylis

picon face
Oops,

sorry Thomas, didn't realize you are the OP.

Anyway, as I said. I haven't been able to make it work. What's
different between this project, and the others where it worked for
you. Were they at 10 MHz?

I only ever tried it at 10 MHz, the highest possible speed for this application.

2006\09\26@163231 by Wouter van Ooijen

face picon face
> I must be doing wrong whatever the OP is doing wrong. Tired multiple
> times and never was able to make it work.

get a good night worth of sleep?

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: http://www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: http://www.voti.nl/hvu


2006\09\26@165936 by Neil Baylis

picon face
On 9/26/06, Wouter van Ooijen <@spam@wouterKILLspamspamvoti.nl> wrote:
> > I must be doing wrong whatever the OP is doing wrong. Tired multiple
> > times and never was able to make it work.
>
> get a good night worth of sleep?
>
> Wouter van Ooijen
>

I guess I need multiple good nights of sleep...

2006\09\26@172619 by Wouter van Ooijen

face picon face
> I guess I need multiple good nights of sleep...

This was of course an obvious target for a joke, but calling it a day
and going to sleep is one of my most effective debugging techniques...
Actually I see now my program does not have the desired effect, so I
will apply that technique :)

Wouter van Ooijen

-- -------------------------------------------
Van Ooijen Technische Informatica: http://www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: http://www.voti.nl/hvu


2006\09\26@174033 by Thomas C. Sefranek

face picon face
Yes, all are at 10MHz.

 *
 |  __O    Thomas C. Sefranek  KILLspamWA1RHPKILLspamspamARRL.NET
 |_-\<,_   Amateur Radio Operator: WA1RHP
 (*)/ (*)  Bicycle mobile on 145.41MHz PL74.4

ARRL Instructor, Technical Specialist, VE Contact.
hamradio.cmcorp.com/inventory/Inventory.html
http://www.harvardrepeater.org

{Original Message removed}

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