TMDS- Minimize the transmission of differential signals
DVI interface has A variety of specifications, including DVI-A, DVI-D and DVI-I. It is based on Silicon Image's PanalLink interface technology and is based on TMDS(Transition Minimized Differential Signaling). Minimize the transmission of differential signals) electronic protocol as the basic electrical connection. TMDS is a differential signaling mechanism that can encode pixel data and transmit it over serial connections. The digital signal generated by the graphics card is encoded by the transmitter according to the TMDS protocol and sent to the receiver through the TMDS channel, and then decoded to the digital display device. A DVI display system includes a transmitter and a receiver. The transmitter is the source of the signal, which can be built into the graphics card chip or appear on the graphics card PCB in the form of an additional chip. The receiver is a circuit on the display that can accept the digital signal, decode it and pass it to the digital display circuit, and through both, the signal sent by the graphics card becomes the image on the display.
In the different specifications of DVI, it is divided into two types of \"dual channel\" and \"single channel\
TMDS decoding chips used to be integrated in the GPU, and now the N card has separated it, in the NVIO small GPU. A card is less clear