does AD9959 has phase tuning word profile registers like ftw profile registers...??

hi everyone...

i hav come a doubt whether AD9959 has seperate phase tuning word profile registers for phase modulation as it has FTW PROFILE REGISTERS  for frequency modulation. i hav to generate a barker coded signal and in the datasheet of this IC nothing has been given in this regard. hw i hav to proceed........!!!!

thanks and regards

RAHUL SHARMA