Overview
The PTN3356R1BSZ is a ROM-based, low-power DisplayPort to VGA adapter designed and manufactured by NXP USA Inc. This component is optimized primarily for motherboard applications, enabling the conversion of a DisplayPort signal to an analog VGA signal. It integrates advanced DisplayPort Front-end technology to ensure excellent signal integrity and low power consumption.
Key Specifications
| Specification | Details |
|---|---|
| DisplayPort Main Link | Supports 1-lane and 2-lane modes; 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 |
| AUX Channel | 1 MHz AUX channel; supports native AUX CH syntax and I2C-bus over AUX CH syntax |
| Video Output | VSIS 1.2 compliance; 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) |
| Power Consumption | Low power consumption, with VGA output powered down when no valid DisplayPort source data is being transmitted |
| Monitor Detection | Monitor presence detection through load detection scheme; reports connection/disconnection via HPD IRQ and DPCD update |
| Package | 32-pin QFN package |
Key Features
- VESA-compliant DisplayPort converter supporting HBR and RBR modes
- Supports I2C-bus over AUX channel and DDC channel output
- Active HIGH Hot Plug Detect (HPD) signal to the source
- Supports Alternate Scrambler Seed Reset (ASSR) and Alternate Enhanced Framing mode
- Robust VGA monitor detection through load sensing on RGB lines
- Direct drive of double terminated 75 Ω load with standard 700 mV (peak-to-peak) signals
Applications
The PTN3356R1BSZ is primarily designed for motherboard applications, facilitating the conversion of DisplayPort signals to VGA signals. This makes it suitable for various computing systems, including desktops, laptops, and other devices that require DisplayPort to VGA conversion.
Q & A
- What is the primary function of the PTN3356R1BSZ? The PTN3356R1BSZ is a ROM-based, low-power DisplayPort to VGA adapter that converts DisplayPort signals to analog VGA signals.
- What are the supported DisplayPort Main Link modes? It supports 1-lane and 2-lane modes with HBR at 2.7 Gbit/s and RBR at 1.62 Gbit/s per lane.
- How does the PTN3356R1BSZ handle monitor detection? It performs monitor presence detection through a load detection scheme on RGB lines and reports connection/disconnection via HPD IRQ and DPCD update.
- What is the maximum pixel clock rate supported by the PTN3356R1BSZ? The maximum pixel clock rate supported is up to 240 MHz.
- Does the PTN3356R1BSZ support I2C-bus over AUX channel? Yes, it supports I2C-bus over AUX channel.
- What is the power consumption of the PTN3356R1BSZ? It has low power consumption, with the VGA output powered down when no valid DisplayPort source data is being transmitted.
- What package type does the PTN3356R1BSZ come in? It comes in a 32-pin QFN package.
- Is the PTN3356R1BSZ VESA-compliant? Yes, it is VESA-compliant for DisplayPort and VGA standards.
- Does the PTN3356R1BSZ support Alternate Scrambler Seed Reset (ASSR)? Yes, it supports ASSR and Alternate Enhanced Framing mode.
- How does the PTN3356R1BSZ handle EDID data? It implements a DP I2C-Over-AUX protocol, providing access to the monitor’s DDC bus for EDID data.
