In XBIB-U-SS development board P3 pins usage

I need to progrAM from XBee. can i use P3 pins. If yes can you please suggest me the usages of those pins

P3 is for using a BDM programmer for Programming the Secondary processor on the XBee S2C and XBee 900 HP products. It is not for uploading of a Profile with. That is done using the USB port.