Xilinx Virtex-6 Manual page 145

Chapter 4: About Design Elements
GTXE1
Primitive: Gigabit Transceiver
Introduction
This design element represents the Virtex®-6 FPGA RocketIO™ GTX transceiver, a power-efficient and highly
configurable transceiver. Refer to Virtex-6 FPGA RocketIO GTX Transceiver User Guide for detailed information
regarding this component. The Virtex-6 FPGA RocketIO GTX Transceiver Wizard is the preferred tool to generate
a wrapper to instantiate a GTXE1 primitive. The Wizard can be found in the Xilinx® CORE Generator™ tool.
Virtex-6 Libraries Guide for HDL Designs
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