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Re: Just to verify my reset circuit

Subject: Re: Just to verify my reset circuit
From: "Dan H"
Date: 10 Apr 2006 06:03:18 -0700
Newsgroups: sci.electronics.basics
Figaro wrote:
> "Ant_Magma" <vcteo1@xxxxxxxxx> wrote in message
> news:1144498065.683130.176700@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> | My reset pin is active low, this would work right?
> |
> | Vcc
> ||-------
> ||      |
> ||      -
> | R10k 1N4148
> ||      +
> ||      |
> ||-------To reset pin
> ||
> | C10uF
> ||
> ||
> | GND
> |
>
> what is the diode for?

The diode is to rapidly discharge the capacitor when the power is
turned off. Without it the capacitor will remain charged for a long
time and turning the power off and back on quickly will not cause a
reset  to start the microProc.

Dan


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