PTN3355BS: Low power DisplayPort to VGA adapter with integrated 1 : 2 VGA switch

VESA-compliant DisplayPort converter

• Main Link: 1-lane and 2-lane modes supported:
  • HBR (High Bit Rate) at 2.7 Gbit/s per lane
  • RBR (Reduced Bit Rate) at 1.62 Gbit/s per lane
  • BER (Bit Error Rate) better than 10^-9
  • DisplayPort Link down-spreading supported
• 1 MHz AUX channel:
  • Supports native AUX CH syntax
  • Supports I²C-bus over AUX CH syntax
• Active HIGH Hot Plug Detect (HPD) signal to the source

VESA-compliant eDP extensions

• Supports Alternate Scrambler Seed Reset (ASSR)
• Supports Alternate Enhanced Framing mode - Enhanced Framing

DDC channel output

• I²C-Over-AUX feature facilitates support of MCCS, DDC/CI, and DDC protocols

Analog video output

• VSIS 1.2 compliance for supported video output modes
• Analog RGB current-source outputs
• 3.3 V VSYNC and HSYNC outputs
• Pixel clock up to 240 MHz
• Triple 8-bit Digital-to-Analog Converter (DAC)
• Direct drive of double terminated 75  load with standard 700 mV (peak-to-peak) signals
• Integrated 1 : 2 VGA switch

General features

• Supports firmware upgradability through ‘Flash-over-AUX’ scheme for Windows
• Supports firmware upgradability through I²C-bus interface
• Monitor presence detection through load detection scheme. Connection/disconnection reported via HPD IRQ and DPCD update
• Wide set of display resolutions are supported:
  • 1920 x 1440, 60 Hz, 18 bpp, 234 MHz pixel clock rate
  • 2048 x 1152, 60 Hz (reduced blanking), 24 bpp, 162 MHz pixel clock rate
  • 2048 x 1536, 50 Hz (reduced blanking), 24 bpp, 167.2 MHz pixel clock rate
  • WUXGA: 1920 x 1200, 60 Hz, 18 bpp, 193 MHz pixel clock rate
  • WUXGA: 1920 x 1200, 60 Hz (reduced blanking), 24 bpp, 154 MHz pixel clock rate
  • UXGA: 1600 x 1200, 60 Hz, 162 MHz pixel clock rate
  • SXGA: 1280 x 1024, 60 Hz, 108 MHz pixel clock rate
  • XGA: 1024 x 768, 60 Hz, 65 MHz pixel clock rate
  • SVGA: 800 x 600, 60 Hz, 40 MHz pixel clock rate
  • VGA: 640 x 480, 60 Hz, 25 MHz pixel clock rate
  • Any resolution and refresh rates are supported from 25 MHz up to 180 MHz pixel clock rate at 24 bpp, or up to 240 MHz pixel clock rate at 18 bpp
• Bits per color (bpc) supported:
  • 6, 8 bits supported
  • 10, 12, 16 bits supported by truncation to 8 MSBs
• All VGA colorimetry formats (RGB) supported
• Power modes:
  • Active-mode power consumption: ~200 mW at WUXGA, 1920 x 1200, 60 Hz (18 bpc)
  • 410 μW at Low-power mode
• Supports slave I²C-bus interface for host debugging and configuration
• Supports flexible choice of timing reference:
  • On-board oscillator with external crystal, ceramic resonator
  • Different frequencies supported: 25 MHz, 27 MHz, 33 MHz
• ESD protection: 7.5 kV HBM
• Single power supply (3.3 V) for easy integration in the platforms
• Commercial temperature range: 0 °C to 85 °C
• 40-pin HVQFN, 6 mm x 6 mm x 0.85 mm (nominal); 0.5 mm pitch; lead-free package

• Notebook computers, tablets and desktop PCs
  • Dongles, adapters, docking stations