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From: Leon on 25 Feb 2010 16:14 On 25 Feb, 10:46, "Somebody" <why.do.you.w...(a)to.know.invalid> wrote: > "IanM" <look.in.my....(a)totally.invalid> wrote in message > > news:hm5is1$qd2$1(a)energise.enta.net... > > > > > The PICkit 2 'does what it says on the box', reliably programming the > > vast majority of PIC10Fxxx, PIC12Fxxx, PIC16Fxxx, PIC18Fxxx and > > PIC24Fxxx parts. It also supports basic debugging (register inspection, > > single step and single hardware breakpoint) on all parts that have > > native silicon support for ICD (a few PIC16, nearly all PIC18 and Pic24) > > Could you expand on ICD? Does this mean that there are built-in debug > registers in the chip? > > I had naively assumed that the single step and breakpoint facility were > achieved in some way by reprogramming the Flash memory on-the-fly, > relying on the fact that even the 100,000 rewrite limit would not be > exceeded. There is on-chip debug hardware; the low pin count devices don't have it, though. They need a debug adapter with a special version of the chip. They aren't expensive, Leon
From: Jan Panteltje on 25 Feb 2010 17:38 On a sunny day (Thu, 25 Feb 2010 13:03:38 -0800) it happened Jon Kirwan <jonk(a)infinitefactors.org> wrote in <el6do5p6qe3nb9hk4puqa1ejeamcnh3n7m(a)4ax.com>: >I like Dr. Lovelock's approach, which works well if there is >any substantial amount of live involved. "All chemistry >works in either direction, releasing or absorbing energy in >the process. Look for chemical compounds on the higher >potential energy side of the equation. If life exists, so >will an abundance of those products." > >He points to Earth, which has an abundance of molecular >oxygen in its atmosphere as an obvious case. That wouldn't >be possible without life. It would get consumed in a natural >lifeless situation here, turning into oxides of various >kinds. > >He recommends it isn't even necessary to visit. One can >figure this out just using spectrographic analysis, where >there is an atmosphere to "look through," anyway. > >Likens the idea to looking around at a landscape and either >seeing all the boulders near the bottom of nearby peaks or >sitting at the tops of those peaks. If you see most >everything in its natural condition near the bottoms, then >there is nothing there rolling the boulders back up. If you >see boulders at precarious positions everywhere, something or >someone is putting them back there. Life. > >Jon http://panteltje.com/panteltje/space/mars/index.html Follow the link Dr. Levion's site too: to http://mars.spherix.com/ he has some intersting papers, he is the one who designed the original Viking experiments that were posive. Also he goes a bit deeper into colormetry for the cameras on mars.
From: Somebody on 26 Feb 2010 05:36
"Ian Malcolm" <See.My.Sig.for.email(a)totally.invalid> wrote in message news:Xns9D2AB5EF6D3150xDEADBEEF(a)85.214.113.135... > For more details see the Microchip data sheet DS51242A. Thanks. Downloaded, read, marked, learnt and inwardly digested! |