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Lpc2000

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Re: [lpc2000] Re: Reset Circuit

2004-02-29 by Alaric B Snell

Bill Knight wrote:
> I'm using the TI TPS77733 for 3.3 volts and the TPS77118 for 1.8
> volts.  Both have open-drain, delayed release, -RESET signals which I
> tie together and pull-up with a 10K.  That signal is then connected to
> the LPC -RESET input.  The 3.3v reg is a bit overkill but is also
> powering a bunch of other stuff on the board.  Both are pretty
> inexpensive and available from DigiKey.

I'm putting a Maxim uP supervisory reset generator chip in mine, on the 
3.3v line, with a reset threshold of 3.1v - I'm hoping that'll do for now.

> 
> -Bill Knight
> R O SoftWare
> 

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