There was just a 1:1 interview where I was asked Basics of STA, cell count prediction of architectures, clock domain crossing analysis and concepts of Finite Impulse Response and Infinite Impulse Response filters pipelining. The focus was mainly on the basic design concepts and not so much on industrial working knowledge. Had to revise my college concepts very much.

Basic digital design, clock domain crossing ,fifo for analog prepare rc circuit. keep your basic clear and dont try to make interviewer fool. Approach to problem is checked rather than answers.