code: def extended_analog(self, pin, data):
          
          task = asyncio.ensure_future(self.core.extended_analog(pin, data))
          self.loop.run_until_complete(task)
docs: This method will send an extended-data analog write command
          to the selected pin..
  
          :param pin: 0 - 127
  
          :param data: 0 - 0-0x4000 (14 bits)
  
          :returns: No return value