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RE: [Development] Lights, 12 or 14 bit micro


  • To: <ukha_d@xxxxxxx>
  • Subject: RE: [Development] Lights, 12 or 14 bit micro
  • From: "Keith Doxey" <ukha@xxxxxxx>
  • Date: Sat, 9 Jun 2001 20:40:24 +0100
  • Delivered-to: rich@xxxxxxx
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

16F84 £2-00 from www.crownhill.co.uk

Site is PAINFULLY SLOOOOOOOOW but the prices are very low.

Keith

> -----Original Message-----
> From: James Hoye [mailto:james.hoye@xxxxxxx]
> Sent: 09 June 2001 20:32
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] [Development] Lights, 12 or 14 bit micro
>
>
> This email was delivered to you by The Free Internet,
> a Business Online Group company. http://www.thefreeinternet.net
> ---------------------------------------------------------------
> > The last option does have other plus points, I will have a extra
serial
> > port which will allow control from othrt than tcp/ip if needed,
> much more
> > RAM, only 25 bytes on the 508 41 bytes on the 509, compaird with
192
> > bytes on most of the 14 bit parts, also there would be no
> address problem
> > as one micro would handle all 8 outputs.
> >
> > There is a down side, the parts cost is greater, if the pic gets
zaped
> > you will loose all 8 channels.
> >
> > Any comments
>
> How about 2 16Cxx PICS (the 16F84 ones are around ?4 from M****n if
they
> have any in stock - so with volume we should get them considerably
cheaper
> than that) one designated as MASTER, the other as SLAVE.  When the
device
> powers up, if after a preset time the SLAVE cannot communicate with
the
> MASTER (ie. it's fried) then it takes over....(and sends a concole
alert)?
> Or am I talking rubbish here?  Just thinking about reliability and
WAF.
>
> James
>
>
>
>
> ____________________________________
> Automated Home UK
> http://www.automatedhome.co.uk
> ____________________________________
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>
>




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