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Cyclone V GX FPGAs: Transceiver Overview

Cyclone V GX FPGAs: Transceiver Overview

    • Cyclone V GX FPGAs: Transceiver Overview
    • Cyclone V GX FPGAs: Transceiver Overview
    • Cyclone V GX FPGAs: Transceiver Overview
    • Cyclone V GX FPGAs: Transceiver Overview
  • Cyclone V GX FPGAs: Transceiver Overview

    Product Details:

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    Detailed Product Description

    The Cyclone V FPGA series offers two variants to meet your design needs, the Cyclone V GX FPGAs with transceivers up to 3.125 G and Cyclone V GT FPGAs with transceivers up to 6.144 G.

    Key Transceiver Features

    • Up to twelve transceivers supporting data rates from 600 Mbps to 3.125 Gbps or 6.144 Gbps
    • Flexible and easy-to-configure transceiver datapath to implement industry-standard and proprietary protocols
    • Programmable pre-emphasis settings and adjustable differential output voltage (VOD) for improved signal integrity (SI)
    • User-controlled receiver equalization to compensate for frequency-dependent losses in the physical medium
    • Dynamic reconfiguration of the transceiver to support multiple protocols and data rates on the same channel without reprogramming the FPGA
    • Support for protocol features such as spread-spectrum clocking in PCI Express® (PCIe®), Common Public Radio Interface (CPRI), DisplayPort, V-by-One, and SATA configurations
    • Dedicated circuitry compliant with the physical interface for PCIe, XAUI, and Gbps Ethernet (GbE)
    • PIPE interface that connects directly to embedded PCIe Gen1 (2.5 Gbps) and Gen2 (5 Gbps) hard intellectual property (IP) to support PCI-SIG® compliant x1, x2, or x4 endpoint or rootport applications
    • Built-in byte ordering so that a frame or packet always starts in a known byte lane
    • 8B/10B encoder and decoder that performs 8 bit to 10 bit encoding and 10 bit to 8 bit decoding
    • On-die power supply regulators for transmitter and receiver phase-locked loop (PLL) charge pump and voltage controlled oscillator (VCO) for superior noise immunity
    • On-chip power supply decoupling to satisfy transient current requirements at higher frequencies, which reduces the need for on-board decoupling capacitors
    • Diagnostic features such as serial loopback, parallel loopback, reverse serial loopback, and loopback master and slave capability in the PCI-SIG compliant PCIe hard IP block

    Figure 1 shows the block diagram of the Cyclone V FPGA transceivers, both physical medium attachment (PMA) and physical coding sublayer (PCS). The blocks within the PCS can be bypassed, depending on your requirements.

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