Hardware implementation of a FPGA-based universal link for LVDS communications
Fecha
2015-02-27Autor(es)
Sanchez, Luis
Patiño, Giancarlo
Murray, Victor
Lyke, James
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We present the first hardware implementation for a FPGA-based universal link for the transmission of different low-voltage differential signaling (LVDS) connections through a single LVDS connection between different devices. The main objective of this work is to reduce the number of wires in a network, for example in some satellites, with several groups of devices, to a single LVDS connection. This paper proposes a new communication protocol for successfully coding and decoding the data sent through the single connection. We propose a solution for one of the difficulties of LVDS standard due to the amount of wires needed for a duplex connection, significantly reducing the amount of wires required for a large network. The proposed solution has been implemented in an Atlys board with a Spartan 6 FPGA showing promising results.