[Coco] 6309

[Dave Philipsen]

I'm not 100% sure on this and I intend to find out but I think the 6309 
will run reliably at 3.3v thus drawing even less power.  Don't know how 
it would hold up at different (higher) clock speeds at that voltage either.

Dave


On 7/11/2017 8:49 AM, Gene Heskett wrote:
> On Tuesday 11 July 2017 09:07:06 D. Bruce Moore wrote:
>
>> My understanding is that the 6309 runs cooler than the original 6809.
>> if so, the life of the Coco is extended!  (But that may be the case
>> only for the 512MB RAM upgrade)
> It (63$09) is a CMOS chip, and the power draw is a function of the
> driving clock frequency. I have the C version rated to run at 4MHz. I
> understand there was a D version also that could run faster.
> In any event, its power draw is in milliwatts. My 2 meg memory kit is
> also fitted with CMOS memory, 2 ea 1Meg. Essentially zero heat.  Running
> on an external psu, the hottest chip in my coco3 is the gime.
> With the top on it, the temp rise is about 2F 24 hours after laying a
> furniture blanket over the whole thing.
>
>>> On Jul 10, 2017, at 8:58 PM, Rietveld Rietveld
>>> <rietveldh at hotmail.com> wrote:
>>>
>>> Because they are so cheap I just wondered if they would offer an
>>> advantage over the 6809.    Would there me any noticeable difference
>>> in speed when running coco 1/2 software?
>>>
>>> Sent from my BlackBerry Passport Red Edition.
>>>   Original Message
>>> From: Chad H
>>> Sent: Monday, July 10, 2017 9:52 PM
>>> To: CoCoList for Color Computer Enthusiasts
>>> Reply To: CoCoList for Color Computer Enthusiasts
>>> Subject: Re: [Coco] 6309
>>>
>>>
>>> 6309's work in any CoCo.  They have full 6809 emulation.
>>>
>>> - Chad H
>>> http://sites.google.com/site/cbhlab101/
>>>
>>> -----Original Message-----
>>> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of
>>> Rietveld Rietveld Sent: Monday, July 10, 2017 8:05 PM
>>> To: Coco mailing list
>>> Subject: [Coco] 6309
>>>
>>> Will the 6309 used in my coco3 work in the coco2
>>>
>>> Sent from my BlackBerry Passport Red Edition.
>>>
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>
> Cheers, Gene Heskett