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Clock I2CProbe

The book series by Vincent Himpe

Postby calimero88 » Tue Jun 19, 2012 12:00 am

Bonjour.

Dans un précedent topic sur la commande Kx , je vous avais signaler que le temp de cycle de SCL était de 7 µSeconde avec K0.

Dans le livre il est dit que le temps de cycle est de 1µ Seconde avec K0.


Pourquoi un telle différence de mesure avec une sonde Logic de
www.saleae.com ?.

J'ai vérifier les fusibles de configuration :

96 MHZ PLL/2
div By 2
div by 5 ( 20 MHZ input
HS +PLL USB+HS

La LED USB Flash a 0.8HZ USB déconnecté.

Cordialement.

Good morning.

In a previous topic on the order Kx, I'd note that the time SCL cycle was 7µ Second with K0.

In the book it says that the cycle time is 1μ second with K0.


Why such a difference measurement with a probe of Logic
(www.saleae.com) ?

I check the fuses configuration:

96 MHz PLL / 2
By 2 div
div by 5 (20 MHz input
HS + PLL + USB HS

USB LED ​​Flash 0.8HZ with USB has disconnected.

Cordially.
Bernard MAIROT
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