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This application note describes the implementation of a parameterizable LocalLink FIFO, which is a First-In-First-Out memory queue with LocalLink interfaces on both sides. The LocalLink interface defines a set of protocol-agnostic signals that allows transmission of packet-oriented data, and enables a set of features such as flow control and transfer data of arbitrary length. The LocalLink FIFO consists of two LocalLink interfaces, one on the write port to interface with an upstream user application, the other on the read port to interface with a downstream user application. This product is not recommended for new designs.

xapp691.pdf