Re: Power-On Reset

From: Ken Smith (kensmith_at_green.rahul.net)
Date: 02/22/05


Date: Tue, 22 Feb 2005 15:27:53 +0000 (UTC)

In article <3h3m11p8e8elj9qficg6souakgqj0nqmui@4ax.com>,
Allan Herriman <allan.herriman.hates.spam@ctam.com.au.invalid> wrote:
[...]
>A good reset generator will hold reset active for all values of supply
>voltage below some threshold all the way down to zero volts,
>regardless of dv/dt (except maybe for glitch filtering), and keep
>reset active for a certain period (some tens to hundreds of ms) after
>the voltage goes above the threshold.

Actually, a good one will hold reset until a number of cycles of the
system clock have gone by. Many parts must be clocked to reset correctly.

-- 
--
kensmith@rahul.net   forging knowledge


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