Quote Originally Posted by Darrel Taylor View Post
Also, the 16F886 doesn't have a Low Voltage Detect circuit (LVD). So LVD_INT cannot be used.
Thanks for pointing that out, Darrel. I see now that I have to find another way to detect low battery voltage. In that regard, I am wondering if their is some way to hook the battery output on my PCB to one of the comparator inputs and comparing it somehow to an internally generated reference voltage. I tried to study the Comparator section of the 16F886 data sheet to see if this was possible, but I got lost in the complexity of the comparator circuits and how to generate a CVref into it from internal circuitry.
Can you point me to any posts or tutorial that might explain how to do this?