HDMI (High-Definition Multimedia Interface) has been a part of our entertainment systems for nearly two decades now. Though the look of the cable has remained the same over the years, the input has undergone many improvements since its release in 2002.
USB4 is the next generation of the Universal Serial Bus and a major update to the interface in speed and functionality. USB4 has incorporated Thunderbolt 3 capabilities, which extends support of USB interface to existing PCIE, and DisplayPort over the same USB Type-C connector. USB4 doubles the maximum overall throughput from 20Gbps to 40Gbps enabling optimized HD video and data transfer simultaneously. USB4 enables many applications using USB Type-C, which already supports power delivery, USB 3.2, USB 2.0 and other alternative protocols.
The demand for higher resolution displays is exploding across the market segments from electronics like television, monitors, laptops, and smartphones to the emerging technologies like video and vision, automotive, and AR/VR. The bandwidth requirement for displays increases multi-fold with higher resolution which has been the main driver for development of the latest DisplayPort 2.0 specification by VESA.
DSC has enabled the use of high resolution displays in televisions, PC monitors, mobiles, and automotive infotainment systems. It provides a high quality, low latency algorithm to resolve the bottleneck of high bandwidth requirements needed to support the high resolution.
We recently published the VIP Newsletter for Q3 2018, containing trending topics, leading solutions, in depth technical articles, videos, webinars, and updates on next generation protocols. The newsletter covers content on DFI 5.0 for DDR5/LPDDR5, NVMe 1.3, USB 3.2, PCIe 5.0, next generation gaming displays, MIPI CSI-2 v2.1 for Automotive and IoT, and Verdi performance analyzer and protocol debug. In case you missed the latest buzz on Verification IP, you can read it here.
With the arrival of HDMI 2.1 comes an array of remarkable features including the capability to support up to 10K resolutions at 120Hz. Such high resolutions are supported for a wider range of display applications such as externally connected displays (i.e. PC monitors and televisions), embedded display interfaces within mobile systems, and automotive infotainment systems. But with higher resolutions comes the requirement for higher bandwidth.
Higher performance at lower power is the most critical requirement of SoC designs, specifically those targeted towards mobile and consumer electronics applications. VESA (Video Electronics Standards Association), the technical standards organization for computer display standards, came up with a new power saving feature called PSR (Panel Self Refresh) in eDP 1.3. It is also available as an optional feature in DisplayPort. PSR helps to extend battery life in mobile phones, notebooks, and tablets, and is quickly being adopted in high-end designs.
In our previous blog, “Ever Wonder How USB Type-C Works”, one of the paramount features we discussed was the Type-C connector being used with third party peripherals in-addition to USB. The mode in which the Type-C cable assembly facilitates operation of “Alternate” protocols is called Alternate Mode. USB Type-C Alternate Mode specification allows MHL, DisplayPort, HDMI, and Thunderbolt over Type-C. Alternate Mode is an option made available to the USB Hosts; however, USB should be the preeminent interface to be exposed over Type-C assembly, justifying the tag ‘Alternate’.
In our previous Type-C blog – What’s New with USB TYPE-C, we looked at why Type-C is the next-generation adaptor, which is thinner with multipurpose capabilities, making it quite handy to the end consumer. Along with fulfilling the power/charging abilities, it intends to proxy several cable plugs like VGA, HDMI, beefy USB Type-A connector, etc. Predominant responsibility of Type-C connector is supplying/sourcing current and data transmission and reception. Ever wonder how does this dynamic connector work?
In our previous blog – Unraveling the Topologies of DisplayPort 1.4/1.3, we discussed SST (Single Stream Transport) topology in DisplayPort to transmit single stream from source to sink devices. We also touched upon basics of MST (Multi Stream Transport) topology to transmit multiple streams to single/multiple devices. In this blog we will delve into the different ways in which MST can be leveraged and how MST is used in real scenarios. We will also discuss DisplayPort over USB Type-C, the future of the Display industry.