[Coco] 6309/6809 power consumption

Thu Oct 17 10:22:41 EDT 2019

On Thursday 17 October 2019 09:31:37 Christopher R. Hawks wrote:

> On Thu, 17 Oct 2019 09:01:53 +0000 (UTC)
>
> Roy Justus via Coco <coco at maltedmedia.com> wrote:
> > hi  gene nice to hear from you .  As long as you are
> > still kickin' I feel there is hope for the rest of us.
> >
> >
> >
> > -----Original Message-----
> > From: Gene Heskett <gheskett at shentel.net>
> > To: coco <coco at maltedmedia.com>
> > Sent: Wed, Oct 16, 2019 6:20 pm
> > Subject: Re: [Coco] 6309/6809 power consumption
> >
> > On Wednesday 16 October 2019 17:16:47 Salvador Garcia via Coco wrote:
> > > I can't seem to find how much current these uPs need. I know the
> > > 63xx uses less current than its Motorola counterpart, but can't
> > > seem to find this information. Can anyone point me in the right
> > > direction. Thank you! Salvador
> >
> > The HD63C09 is a CMOS functional sorta clone of the 68x09. As a much
> > newer from scratch design, and in CMOS, where the current draw is
> > proportional to the clocking speed, judging by the total lack of
> > heat produced, I'd have to put its current consumption at 20 ma max
> > at the coco3's std clock speed.  The 2 CMOS dimm memory sticks in my
> > 2 meg coco3 warms up a photo thermometer whose stem is laying on the
> > grill above the memory chips shows about 2 degrees F above ambient
> > when running 24/7.  And thats with a furniture blanket covering it. 
> > There simply isn't any great amount of heat generated by the 63C09.
> > However, if your memory is the old 1 bit nmos dynamic, 16 of them,
> > they'll still warm up, possibly more because the CMOS 63x has rail
> > to rail drive, more than the 68x causeing the memory to be a higher
> > load drawing more current, and so will the 63c09 due to the higher
> > current draw used by their address lines. I've never had that
> > config, so I won't hazard a WAG what the diff might be.
> >
> > Cheers, Gene Heskett
>
> 
> +1.4142135623730950488016887242096980785696718753769480731766797379907
>324784621
> 0703885038753432764157273501384623091229702492483605585073721264412149
>7099935831
> 4132226659275055927557999505011527820605714701095599716059702745345968
>6201472851
> 7418640889198609552329230484308714321450839762603627995251407989687253
>3965463318
> 0882964062061525835239505474575028775996172983557522033753185701135437
>4603408498
> 8471603868999706990048150305440277903164542478230684929369186215805784
>6311159666
> 8713013015618568987237235288509264861249497715421833420428568606014682
>4720771435
> 8548741556570696776537202264854470158588016207584749226572260020855844
>6652145839
> 8893944370926591800311388246468157082630100594858704003186480342194897
>2782906410
> 4507263688131373985525611732204024509122770022694112757362728049573810
>8967504018
> 3698683684507257993647290607629969413804756548237289971803268024744206
>2926912485
> 9052181004459842150591120249441341728531478105803603371077309182869314
>7101711116
> 8391658172688941975871658215212822951848847208969463386289156288276595
>2635140542
> 2676532396946175112916024087155101351504553812875600526314680171274026
>5396947024
> 0300517495318862925631385188163478001569369176881852378684052287837629
>3892143006
> 5586956868596459515550164472450983689603688732311438941557665104088391
>4292338113
> 2060524336294853170499157717562285497414389991880217624309652065642118
>2731672625
> 7539594717255934637238632261482742622208671155839599926521176252698917
>5409881593
> 4864008345708518147223181420407042650905653233339843645786579679651926
>7292399875
> 3666172159825788602633636178274959942194037777536814262177387991945513
>9723127406
> 6898329989895386728822856378697749662519966583525776198939322845344735
>6947949629
> 5216889148549253890475582883452609652409654288939453864662574492755638
>1964410316
> 9798330618520193793849400571563337205480685405758679996701213722394758
>2142630658
> 5132217408832382947287617393647467837431960001592188807347857617252211
>8674904249
> 7736692920731109636972160893370866115673458533483329525467585164471075
>7848602463
> 6008344491148185876555542864551233142199263113325179706084365597043528
>5641008791
> 8500760361009159465670676883605571740076756905096136719401324935605240
>1859991050
> 6210816359772643138060546701029356997104242510578174953105725593498445
>1126922780
> 3449135066375687477602831628296055324224269575345290288387684464291732
>8277088831
> 8087025339852338122749990812371892540726475367850304821591801886167108
>9728692292
> 0119759988070381854333253646021108229927929307287178079988809917674177
>4108983060
> 8003263118164279882311715436386966170299993416161487868601804550555398
>6913115186
> 0103863753250045581860448040750241195184305674533683613674597374423988
>5532851793
> 0896037389891517319587413442881784212502191695187559344438739618931454
>9999906107
> 5870490902608835176362247497578588583680374579311573398020999866221869
>4992259591
> 3276423619410592100328026149874566599688874067956167391859572888642473
>4635858868
> 6449682238600698335264279905628316561391394255764906206518602164726303
>3362975075
> 6978706066068564981600927187092921531323682813569889370974165044745909
>6053747279
> 6524477094099241238710614470543986743647338477454819100872886222149589
>5295911878
> 9214917983398108378827815306556231581036064867587303601450227320882935
>1341387227
> 6841766784369052942869849083845574457940959862607424995491680285307739
>8938296036
> 2133539875320509199893607513906444495768456993471276364507163279154701
>5977335486
> 3893942325727754003826027478567417258095141630715959784981800944356037
>9390985590
> 1682721540345815815210049366629534488271072923966023216382382666126268
>3050257278
> 1169451035379371568823365932297823192986064679789864092085609558142614
>3636310046
> 1559433255047449397593399912541953230093217530447653396470662761166175
>3518754646
> 2096763455873861648801988484974792640450654448969100407942118169257968
>5756378488
> 1498986416854994916357614484047021033989215342377037233353115645944389
>7036531667
> 2194904935188290580630740134686264167247011065346349391640714628556798
>0177933814
> 4240452691370666097776387848662380033923243704741153318725319060191659
>9645538115
> 7888413808433232105337674618121780142960928324113627525408873729051294
>0733947943
> 3061943956936702079429515878228349321931666411130154959469837897767434
>4435393377
> 0995713498840789085081589236607008865810547094979046572298888089246128
>2816013133
> 7010290802909997456478495815456146487155163905024198579061310934587833
>0620026220
>
Humph, brain teasers. :)

I think thats the best defined rms to peak conversion I've ever seen. I 
have always assumed it was endless, like pi.

> Christopher R. Hawks
> HAWKSoft
> --
> UNIX is not some crystalline bon-bon for computer scientists to smack
> their lips over. It's all a big hack! Get over it! Go back to your
> syntax-directed Scheme editor and your pen-and-paper philosophizing!
> Leave the rest of us to our Perl hacking and .Xdefaults files.
> 		-- Garth Snyder, on big-staff at cs.swarthmore.edu
> ----------------------------------------
>        \   ^__^
>         \  (oo)\_______
>            (__)\       )\/\
>
>                ||----w |

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
If we desire respect for the law, we must first make the law respectable.
 - Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/gene>