Crystals Oscillators and Usage

[Zv_oDD]

So I'm playing with a AVR PiC, the ATMEGA32. And its needs 16mhz crystal hooked to it like so:

http://tinypic.com/r/ei9im9/5
Note; I used a Cap and Inductor pair for the crystal symbol.


I am just wondering what is the role of the capacitors?
Can I use 1uf caps instead and still get 16Mhz?

 

[Tom Biasi]

On Fri, 2 Mar 2012 02:58:08 -0800 (PST), Zv_oDD <zv.odd.101@gmail.com>
wrote:

So I'm playing with a AVR PiC, the ATMEGA32. And its needs 16mhz crystal hooked to it like so:

http://tinypic.com/r/ei9im9/5
Note; I used a Cap and Inductor pair for the crystal symbol.


I am just wondering what is the role of the capacitors?
Can I use 1uf caps instead and still get 16Mhz?
Hi,

Rather than just tell you I would like to refer you here:
http://www.electronics-tutorials.ws/oscillator/crystal.html

have fun,
Tom

 

[John Fields]

On Fri, 2 Mar 2012 02:58:08 -0800 (PST), Zv_oDD <zv.odd.101@gmail.com>
wrote:

So I'm playing with a AVR PiC, the ATMEGA32. And its needs 16mhz crystal hooked to it like so:

http://tinypic.com/r/ei9im9/5
Note; I used a Cap and Inductor pair for the crystal symbol.


I am just wondering what is the role of the capacitors?

---
http://ww1.microchip.com/downloads/en/AppNotes/00826a.pdf
---

Can I use 1uf caps instead and still get 16Mhz?

---
No.


--
JF

 

[Chiron]

On Fri, 02 Mar 2012 11:03:27 -0500, Tom Biasi wrote:

Rather than just tell you I would like to refer you here:
http://www.electronics-tutorials.ws/oscillator/crystal.html

Tom, that's a great tutorial. Short and sweet, yet informative. Thanks
for that.



--
F: When into a room I plunge, I
Sometimes find some VIOLET FUNGI.
Then I linger, darkly brooding
On the poison they're exuding.
-- The Roguelet's ABC

 

[Tom Biasi]

On Fri, 02 Mar 2012 20:16:59 GMT, Chiron <chiron613@gmail.com> wrote:

On Fri, 02 Mar 2012 11:03:27 -0500, Tom Biasi wrote:

Rather than just tell you I would like to refer you here:
http://www.electronics-tutorials.ws/oscillator/crystal.html

Tom, that's a great tutorial. Short and sweet, yet informative. Thanks
for that.
You're welcome.