1. Department of Computer Science and Engineering, University of Bologna, Bologna, Italy
2. Advanced Research Center on Electronic Systems “Ercole De Castro”, University of Bologna, Bologna, Italy
3. Department of Science and Engineering Methods, University of Modena and Reggio Emilia, Modena, Italy
4. Eurotech S.p.A., Udine, Italy
5. Advanced Research and System Platforms RND, Analog, MEMS and Sensors Group, STMicroelectronics, Catania, Italy