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The GBT-FPGA core: features and challenges

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Published 16 March 2015 © CERN 2015
, , Topical Workshop on Electronics for Particle Physics Citation M. Barros Marin et al 2015 JINST 10 C03021 DOI 10.1088/1748-0221/10/03/C03021

1748-0221/10/03/C03021

Abstract

Initiated in 2009 to emulate the GBTX (Gigabit Transceiver) serial link and test the first GBTX prototypes, the GBT-FPGA project is now a full library, targeting FPGAs (Field Programmable Gate Array) from Altera and Xilinx, allowing the implementation of one or several GBT links of two different types: "Standard" or "Latency-Optimized". The first major version of this IP Core was released in April 2014. This paper presents the various flavours of the GBT-FPGA kit and focuses on the challenge of providing a fixed and deterministic latency system both for clock and data recovery for all FPGA families.

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10.1088/1748-0221/10/03/C03021