L. Mostardini, L. Benvenuti, L. Bacciarelli, L. Fanucci, C. Rosadini, A. Rocchi, M. De Marinis
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Efficient acquisition and analysis of digital signals in pin-limited system-on-package.
The paper presents an advanced digital signal inspector (ADSI) used for acquisition and analysis of the internal digital of a System on Package (SoP) with a limited number of pins. The system is made of a commercial FPGA- board, connected to the module for data sampling and controlled by PC via USB; a suited graphical interface allows for configuration, multi trace real time data display and post processing. The proposed platform can be used to extract and monitor simultaneously up to 4 digital signals, and an ADC is used to monitor one further analog signal. The ADSI has been successfully applied for the characterization of an automotive SoP based on a MEM gyro sensor interfaced to an ASIC for proper signal conditioning. The ADC was connected to an external accelerometer to evaluate the SoP behaviour when applying mechanical shocks.
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