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Home » NEWEST Products » New by Manufacturer » NXP Semiconductors » PTN3392 2-Lane DisplayPort to VGA Adapter IC - NXP
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NXP PTN3392 2-Lane DisplayPort to VGA Adapter IC

NXP PTN3392 2-Lane DisplayPort to VGA Adapter IC

NXP PTN3392 2-lane DisplayPort to VGA adapter IC is designed to connect a DisplayPort source to a VGA sink. NXP PTN3392 integrates a DisplayPort receiver and a high-speed triple video digital-to-analog converter that supports display resolutions from VGA to WUXGA. This NXP DisplayPort to VGA adapter IC supports either one or two DisplayPort v1.1a lanes operating at either 2.7Gbit/s or 1.62Gbit/s per lane. PTN3392 has "Flash-over-AUX" capability, enabling simple firmware upgradability in the field. PTN3392 is designed for single supply and minimizes application costs. This NXP device also aids in monitor detection by performing load sensing and reporting sink connection status to the source.

Features
  • VESA compliant DisplayPort v1.1a converter
    • Main Link: 1-lane and 2-lane modes supported
      • HBR (High Bit Rate) at 2.7Gbit/s per lane
      • RBR (Reduced Bit Rate) at 1.62Gbit/s per lane
      • BER (Bit Error Rate) better than 10-9
      • Down-spreading SSC (Spread Spectrum Clocking) supported
    • 1MHz AUX channel
      • Supports native AUX CH syntax
      • Supports I²C-bus over AUX CH syntax
    • Hot Plug Detect (HPD) signal to the source
    • Cost-effective design optimized for VGA application
  • DDC channel output
    • Supports 100 kbit/s I²C-bus speed, declared in DPCD register
      • Support of I²C-bus speed control by DisplayPort source via DPCD registers, facilitating use of longer VGA cables
    • I²C Over Aux feature facilitates full support of MCCS, DDC-CI, and DDC protocols
  • Analog video output
    • VSIS 1.2 compliance for all supported video output modes
    • Analog RGB current-source outputs
    • VSYNC and HSYNC outputs
    • Pixel clock up to 240MHz
    • Triple 8-bit Digital-to-Analog Converter (DAC)
    • Direct drive of double terminated 75Ω load with standard 700mV (peak-to-peak) signals
  • General features
    • Supports 'Flash-over-AUX' field upgradability
    • Monitor presence detection. Connection/disconnection reported via HPD IRQ and DPCD update.
    • All display resolutions from VGA to WUXGA are supported, including:
      • WUXGA: 6 bits, 1920 × 1200, 60Hz, 193MHz pixel clock rate
      • WUXGA: 1920 × 1200, 60Hz, reduced blanking, 154MHz pixel clock rate
      • UXGA: 1600 × 1200, 60Hz, 162MHz pixel clock rate
      • SXGA: 1280 × 1024, 60Hz, 108MHz pixel clock rate
      • XGA: 1024 × 768, 60Hz, 65MHz pixel clock rate
      • SVGA: 800 × 600, 60Hz, 40MHz pixel clock rate
      • VGA: 640 × 480, 60Hz, 25MHz pixel clock rate
      • Any resolution and refresh rates are supported up to 8 bit color
    • Bits per color (bpc) supported
      • 6, 8 bits supported
      • 10, 12, 16 bits supported by truncation to 8MSBs
    • All VGA colorimetry formats (RGB) supported
Applications
  • Dongle PC accessory
    • Dongle connected to PC DisplayPort output and connected to RGB monitor via VGA cable
    • PTN3392 is powered by the DP_PWR pin on the DisplayPort connector
  • Desktop and notebook computers
  • Notebook docking stations

Functional Diagram

Functional Diagram
  • NXP Semiconductors
  • Semiconductors|Integrated Circuits|IC-Interface