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In summary, NXP’s PN7120 embeds a CPU with dedicated Fireware (FW). This FW implements the RF communication protocols for the NFC Communication in Card Emulation, Read/Write and Peer-to-peer modes, as well as the polling discovery loop. This ready-to-use dedicated FW provides some advantages versus the NFC frontends (where the FW needs to be developed separately). From the development point of view, it reduces the development time, the RF protocols are already in place, and programmers can focus solely on the application logic. Additionally, to avoid critical time constraints, RF protocol handling, timeouts and polling loop processes are taken care of internally. This reduces memory footprint since the dedicated FW is highly optimized and the overall memory footprint in the design is reduced. From the Integration point of view, the time to market is reduced; the use of the NCI interfaces and available SW drivers makes for easy integration into designs. Reduction of the bill of materials is realized due to smaller designs because the PN7120 is a highly integrated solution and can be connected directly to the device host processor. This optimizes power consumption as the FW implements several energy saving features.
