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Lpc2000

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

Message

Re: Reset of circuit

2004-12-16 by albin_martinsson

Isn't there any way of doing this by just software? I have no chance 
of connecting some of the IO-pins just for reset. I want to do it 
from software.

/Fredrik


--- In lpc2000@yahoogroups.com, "Kerem Or" <k.or@s...> wrote:
> You may use an external reset circuit with open drain output and 
connect one 
> of the LPCs I/O pins which defaults to input with weak pullup to 
the reset 
> pin of LPC. When you define this I/O pin as output and drive to 
low will 
> reset the LPC. At the same time the I/O pin will become an input 
pin again 
> releasing the reset line. So the LPC will start normally.
> 
> Kerem
> 
> ----- Original Message ----- 
> From: "albin_martinsson" <fredrik_m@t...>
> To: <lpc2000@yahoogroups.com>
> Sent: Thursday, December 16, 2004 10:36 AM
> Subject: [lpc2000] Reset of circuit
> 
> 
> >
> >
> > Hi
> >
> > Anyone know how to reset an LPC2129 from software? Just calling
> > address 0x00000000 is not good, course the registers also needs 
to
> > be reseted.
> >
> > /Fredrik, V-Teknik, Sweden
> >
> >
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >

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