-The PIC16F15276 microcontroller family is available packages for various embedded applications. The PIC16F15276 simplified feature set includes Peripheral Pin Select (PPS), digital communication peripherals, timers, Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART). In real time applications, EUSART, can be configured as a full-duplex asynchronous system or half-duplex synchronous system. Full-Duplex mode is useful for communications with peripheral systems, such as CRT terminals and personal computers. Half-Duplex Synchronous mode is intended for communications with peripheral devices, such as A/D or D/A integrated circuits, serial EEPROMs or other microcontrollers. Several embedded applications use I/O expander to add the additional I/O pins required for the main microcontroller while interfacing standalone IC modules, display modules, for various features implementation. This code example demonstrates implementation of I/O Expander using EUSART peripheral and I/O pins of the PIC16F15276 microcontroller.
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