You need to go back to the data sheet and practice reading it carefully. If you don't understand what it is saying or what the picture, or the table is all about the ask the specific question. Way too many posters form an idea, sling some code, and find themselves at sea when things don't work. The information that you require is right in front of you if only you would have the patience and the discipline to spend a few minutes making sure that you understand what is going on.