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Table of Contents


The UART controller is a full-duplex asynchronous receiver and transmitter that supports a wide range of programmable baud rates. The server-based system applications (SBSA) functionality is defined by the Arm® architecture. There are two UART controllers, and they are located in the LPD IOP. The UART performs the following: • Serial-to-parallel conversion on data received from a peripheral device • Parallel-to-serial conversion on data transmitted to a peripheral device The software performs reads and writes of data and control/status information via the APB slave interface.