Why I am getting Errors "Macrocells", "Unique P-terms", "Datapath Cells" exceeds?

Hi All,

I want to do the following,

I want to read temperature using TMP05 and communication using UART full duplex.

But when i compiled my program it says that, i am exceeding the above mentioned UDB resources.

I wanted to know how i can over come this?

And on which factors these resources depends.

Looking forwards to your suggestions.

Regards

Awais