def configurePLLForLocking():
    """ configures the Si5338 PLL
    """
    writeRegister5338(49,clearBit(readRegister5338(49),7))
def restartLOL():
    # restart Loss-of-lock detector (LOS)
    oldRegister = readRegister5338(241)
    newRegister = clearBit(oldRegister,7)
    writeRegister5338(241,clearBit(readRegister5338(241),7))
    writeRegister5338(241,0x65)
def enableOutputs():
    # enable Outputs
    writeRegister5338(230,clearBit(readRegister5338(230),4))