David de Regt wrote:
> I've been looking around for the past few days trying to find a PIC
> with all three of the above: ADC (4 channel minimum), DAC, and UART
> on-chip.

There are many many PICs that meet your requirements.  Since you are
mentioning manual soldering I'll assume this is for a one off or low volume
project.  My choice would be the 30F3013, which is available in 28 pin DIP.
It has 12 bit A/Ds where other choices only have 10 bit.  It's also faster
and therefore the "DAC" output via PWM has a higher bandwidth.

However you didn't give bandwidth spec for the D/A, so that can be done in
software.  If you know what you're doing and can live with the constraints,
the UART can be done in software too, but I don't recommend that.

The smallest PIC to suite your needs is the 16F688 which comes in a 14 pin
DIP.  That's half the size of the 30F3013.  Again, there are many choices in
between.


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