LVDS Serial AER Link performance
2007
Address-event-representation (AER) is a communication protocol for transferring asynchronous events between VLSI chips, originally developed for bio-inspired processing systems (for example, image processing). Such systems may consist of a complicated hierarchical structure with many chips that transmit data among them in real time, while performing some processing (for example, convolutions). The event information is transferred using a high speed digital parallel bus (typically 16 bits and 20ns-40ns per event). This paper presents a testing platform for AER systems that allows analysing a LVDS serial AER link produced by a Spartan 3 FPGA, or by a commercial LVDS transceiver. The interface allows up to 0.728 Gbps (~40Mev/s, 16 bits/ev). The eye diagram ensures that the platform could support 1.2 Gbps.
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