Here is a handy link to Sony’s UK download site for all the tools you’ll need for working with Sony XDCAM and XDCAM-EX with Final Cut Pro 7.
For XDCAM
1. XDCAM Browser (v1.2)
2. SxS UDF Driver (v1.01)
3. Final Cut Pro/XDCAM Transfer (v2.12)
For XDCAM-EX
1. XDCAM EX Clip Browser (v2.6)
2. SxS Pro Device Driver