By PURPLELEC | 30 May 2024 | 0 Comments
What is the DP interface and what is it used for?
DP is a digital interface that can transmit audio and video at the same time like HDMI interface, but unlike HDMI interface, DP interface is free of certification and licensing fee. The full name of DP is DisplayPort, which is a digital video interface developed by the PC and chip manufacturers alliance and standardized by the Video Electronics Standards Association (VESA); it is mainly used for connecting video sources and devices such as displays, and supports carrying audio, USB and other forms of data.
Common DP interfaces include standard DP interface and Mini DP interface. The full name of Mini DP interface is Mini DisplayPort, which was released by Apple on October 14, 2008; it is used in MacBook (replacing the previous Mini-DVI), MacBook Air (replacing the previous Micro-DVI) and MacBook Pro (replacing the previous DVI) notebook computers.
When using, be sure to distinguish which DP interface your device supports. Although both are DP interfaces, because the shapes of the interfaces are different, the cables of the standard DP interface and the Mini DP interface are not universal. Only by using the corresponding DP cable can you correctly connect to the display device.
The DP interface is the first display communication port that relies on packetized data transmission technology. It can be used for both internal and external display connections. The DisplayPort protocol is based on small data packets (called micro-packets) that can embed timer signals in the data stream, using fewer pins to achieve higher resolutions.
If your monitor supports DP 1.2 daisy-chaining, and your DP interface is also version 1.2 and supports MST (Multi-Stream Transport), then you can use a single DP to connect to multiple monitors.
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