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DisplayPort Tx


DisplayPort TX IP is a high-performance video and audio transmission solution for PolarFire® and PolarFire® SoC FPGA devices. Designed as a DisplayPort source, the IP transmits video and optional LPCM audio to DisplayPort-compliant monitors and display devices while adhering to the VESA DisplayPort 1.4a specification. The core supports Single Stream Transport (SST) operation with configurable 1-, 2-, or 4-lane main-link configurations operating at standard DisplayPort link rates of 1.62, 2.7, and 5.4 Gbps per lane. The IP accepts either native video or AXI4-Stream video inputs and converts incoming pixel data into DisplayPort main-link symbols for transmission through PolarFire FPGA transceivers. It supports RGB, YCbCr 4:4:4, and YCbCr 4:2:2 pixel formats with color depths ranging from 6 to 16 bits per component. Advanced capabilities include dynamic resolution detection, integrated AUX channel management, Hot Plug Detect (HPD), DisplayPort link training, LPCM audio transport with up to eight channels, and VSC Secondary Data Packet generation for extended colorimetry and HDR signaling. These capabilities make DisplayPort TX IP well-suited for high-performance video processing systems, professional displays, industrial vision systems, KVM devices, embedded graphics platforms, and next-generation display applications. 


Features and Benefits


  • DisplayPort Compliance
    • Compliant with VESA DisplayPort 1.4a specification
    • Supports Single Stream Transport (SST)
  • Flexible Link Configuration
    • Dynamic lane configuration : 1 lane, 2 lanes, 4 lanes 
    • Supports DisplayPort link rates : 1.62 Gbps (RBR), 2.70 Gbps (HBR), 5.40 Gbps (HBR2) per lane 
  • Advanced Video Support
    • Dynamic resolution detection capability
    • Dynamic audio sample-rate measurement
    • Expanded color depth support up to 16 bits per component
    • Extended colorimetry support through VSC packets
  • Enhanced Audio Capabilities
    • LPCM audio support with up to 8 channels
    • Audio clock regeneration support
    • Audio sample-rate monitoring and reporting 
  • Improved DisplayPort Integration
    • Enhanced AUX channel handling
    • HPD event management
    • TPS1–TPS4 link training support
    • Enhanced framing with HDCP content-protection markers 
  • Interface Support
    • Native video input mode
    • AXI4-Stream video input mode
    • AXI4-Stream audio interface
    • APB management interface enhancements

Licensing Options


Encrypted RTL free with any Libero license 

Documentation


Title
DisplayPort Tx User Guide Download



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