Yeah, I found the bit in the DS last night about needing 5V for
programming.  But you can run it at 3.3V.  So the system is still 3.3V and I
went ahead and set the ICD controls voltage box.  Works fine now.  But still
need to know how to hook up the header.


On 9/29/06, Jan-Erik Soderholm <jan-erik.soderholm@telia.com> wrote:
>
> Shawn Wilton wrote :
>
> > I have to look at the spec since
> > I'm running the chip at 3.3V...
>
> I've been following this (and your other thread) but I
> do not remember seeing *that* piece of information !
>
> You definitely have to check that the device supports
> whatever you are doing at that voltage !
>
> According the the Programming Specification, the
> limits are :
>
> VDD level for word operations, program memory :
> 2.0 - 5.5 V (PIC12F675-ICD)
> 4.5 - 5.5 V (PIC12F629/675)
>
> VDD level for word operations, data memory :
> 4.5 - 5.5 V
>
> VDD level for bulk erase/write operations, program
> and data memory :
> 4.5 5.5 V
>
> Regards,
> Jan-Erik.
>
>
>
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-- 

Shawn Wilton (b9 Systems)
http://b9Systems.com  <- New web page
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