Jinx wrote:
>> Interestingly, he told me that the problem is that the "done" flag
>> never gets set, so the code hangs. He doesn't see bad data.
>>     
>
> I've had bad firmware (I2C for example) flags on some PICs under
> certain not unusual and not out-of-spec conditions. I reported this to
> Microchip and they confirmed it. Eventually
>
> Think Bob A has mentioned unreliable flags too
>
>
>
>   
Yes, I found some problems in the PIC12F675/629, but I got the 
workaround from Microchip from
another PIC. But Microchip never announced the problem in the 
PIC12F675/629. I still use the workaround
so I don't know if they fixed it or not.

--Bob A
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