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Lpc2000

Index last updated: 2026-04-28 23:31 UTC

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Re: Watchdog rest not clean?

2004-05-13 by philips_apps

What LPC2000 part are you using? Is it a 48-pin (LPC2104/5/6) or 
64/144-pin (LPC2114/2124/2212/2214 & LPC2119/2129/2194/2292/2294) 
device?

Regards,

Philips Apps Team

--- In lpc2000@yahoogroups.com, "bobbruce000" <bobbruce000@y...> 
wrote:
> I am having problems recovering after a watchdog reset.
> I enable the watchdog, then to test it, I put the cpu
> into a loop, toggling a pin connected to a logic probe.
> If I set the reset to, say, 3 seconds, then right
> on time the toggling stops.  So the watchdog reset
> is triggered.
> 
> But the processor never comes back to life.  I have to
> ground the reset pin to get it to come back.  How does
> a watchdog reset differ from a hardware reset?  Are there
> some components (PLL?, UART?, TIMER?) that don't get
> reset?

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