Im using 16f84, a's and 16f628, I have serial data to pin b2 from another device when I power down the pic side there is still 1.2 volts on the power rail and its coming from the serial device through the pic pin b2 this keeps the pic just on so that it starts where it left off on power down not from the start of the program what state should b2 be put in to stop this leaking through to the power side I pull the pic and only b2 shows this serial data the other pins do not show serial data just 1.2 volts. I use b2 to write and read data to this serial device.

Larry