Re: [avr-chat] Crystals (was ATmega32 @ 16MHz : fuse bits ??)

[Richard Urwin]

On Monday 14 Nov 2005 13:56, Vincent Trouilliez wrote:

> I use a large strip prototyping board, and add components to it over
> time as required/needed by the development of the software.
> I soldered the crystal and capacitors as closely as possible to the
> AVR chip, 4 tenths of inches from it maximum then. However due to the
> XTAL pins being next to each other, and the crystal having its
> terminals 2 tenth of inches apart, one of the crystal terminals is
> obviously a lot closer to the AVR than the other, so maybe the
> capacitance is unbalanced between the input and output of the
> oscillator, and this keeps the oscillator from starting ??

For what it's worth I have just built a ATmega16-16PI development board 
on stripboard. I have a 12MHz crystal with the terminals 0.2 and 0.4 
inches from their MCU pins and the capacitors 0.6 and 0.7 inches out 
from the MCU. It runs fine.

-- 
Richard Urwin