Quote Originally Posted by brid0030
...Here are some details that will be of interest to all you DS1307 experts: I'm not using a battery; Vbat is attached directly to GND. I have 10K pullup resistors on SCL and SDA. When I powered the board up, I did not have the PIC installed, so SCL and SDA were attached to nothing but the pullups....

I am no expert but you have your answer in your post already!

You can not short VBatt!

And also, you must have a battery, otherwise the chip will give you strange data.


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