Importance

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Abstract

A user-programmable integrated circuit that includes over the same silicon die a) a set of programmable logic cells such as the ones used in already reported FPGAs; b) a set of programmable mixed signal and analog cells, in particular the necessary circuitry for signal conditioning acquisition and generation, such as operational amplifiers, filters, comparators, analog-to-digital converters (ADCs) and digital-to-analog converters (DACs); c) a microprocessor used both for controlling and configuring the whole system and for running general purpose user programs; and d) optimized interfaces between these three blocks that would allow the user to read the digital signals implemented in the programmable logic array as memory locations in real time, directly interface the digital part of the analog and digital signals from the microprocessor and from the programmable logic, and configure and dynamically reconfigure all the programmable features of the system with the microprocessor, between countless other possibilities.

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First Claim