Dear Young,
The AD9548 eval board user's guide can be found here:
http://www.analog.com/static/imported-files/user_guides/AD9547PCBZ_AD9548PCBZ_UG-639.pdf
Keep in mind that you will need either an OCXO or excellent TCXO in for the system clock in order to lock to a 1 pps signal. This is described in the user's guide.
-Paul Kern