how to make LIN(Local Interconnect Network) protocol using matlab serial function or toolbox?

Hi I want make LIN network using matlab serial function or toolbox. I have to make break 13bit break(0000000000000) but normal serial function have start and stop bit in every 8bit. so I can not make it. I tried to use serialbreak() function but it can not make under 250usec break.(I think it is error.)

How to make It?

Thank you in advance.