W5500 Micro-controller Pre-programmed ?

I bought W5500 Microcontroller and Integrated with our existing design with ST Microcontroller. But I unable to communicate with W5500 Microcontroller.

I have a clarification, This controller is Pre-Programmed ? Or we have to Program!

Please clarify!

Thanks
Prakash

Not clear what issue you have and what answer you are looking for.

W5500 provides socket-based API (also lower level MAC RAW IP). Your ST MCU must run some code to initialize W5500 and exchange information and control data with it.

Thanks, Sorry for Late Reply