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RE: [AVR-Chat] multiprocessing with AVR (2)

2005-01-04 by Dave VanHorn

At 08:14 AM 1/4/2005, you wrote:

>No … look at the oscillator schematics … it’s a standard pierce …
>
>XTAL1 = Input
>XTAL2 = Output
>
>MASTER CHIP:  Crystal between XTAL1 and XTAL2 with 2 decoupling caps.
>
>SLAVE CHIP #1: Connect XTAL1 to MASTER XTAL2
>
>SLAVE CHIP #2: Connect XTAL1 to SLAVE CHIP #1 XTAL2
>
>SLAVE CHIP #3: Connect XTAL1 to SLAVE CHIP #2 XTAL2
>

You're well advised to add a series resistor, up close to the package, on 
XTAL2, to reduce EMI,
That. and a solid ground return path.

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