[Coco] RTC onboard

Robert Gault robert.gault at worldnet.att.net
Tue Oct 26 23:34:05 EDT 2004


Paul T. Barton wrote:
> Ok,
> 
> I have a Dallas ds12887 package,
> along with the battery, etc.
> 
> How do I hook it up?
> 
> Which software clock do I use?
> 
> What address is it at?
> 
> ---
> 
> I want to read the clock on power-up only,
> How is that done/best way?
> 
> ---
> 
> Thanks,
> Paul T Barton
> 

Good question but as none of the NitrOS-9 clocks indicate part number 
just the third party seller, you can't tell from the source code.

The DS12887 is a drop in replacement for the DS1287 and the latter would 
be the type used on a Coco if it was used. As for the DS12887, this link 
should give you any info you need:
http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2681




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