In industrial displays, there are many interfaces, and different interfaces have different functions. Today we will learn about RSDS (**Reduced Swing Differential Signaling**). RSDS is a low-voltage differential signal transmission technology designed for displays and other high-bandwidth applications. It uses differential signal transmission, so it has a lower voltage swing (usually 1.2V or lower). At low voltage, it can effectively reduce power consumption and signal interference and improve signal transmission quality. RSDS is mainly suitable for liquid crystal displays, car displays, embedded systems, digital video interfaces, and other fields, especially for applications with high display quality and bandwidth requirements.
1. Technical characteristics
Differential signal transmission, RSDS technology uses differential signals, and data can be transmitted through two lines with positive and negative signals. Therefore, differential signals can effectively suppress noise and interference, and enhance signal stability and anti-interference ability. Low voltage swing, in RSDS, the voltage swing of the signal is usually around 1.2V, which reduces power consumption and allows faster data transmission. Low voltage swing also helps reduce power requirements and improve system efficiency.
2. Advantages
Low power consumption. Due to the characteristics of low voltage and differential signal, RSDS consumes almost no power during transmission. Due to its low power consumption, it can reduce the heat and power consumption of the system while ensuring performance, so that the device can function stably. Signal stability and anti-interference ability. Compared with LVDS (Low-Voltage Differential Signaling) signals, RSDS has a stronger anti-electromagnetic interference (EMI) ability. High resolution and high refresh rate display. Since RSDS supports high-speed data transmission, it can meet the needs of high-resolution and high refresh rate display, and provide stable signal transmission under such requirements to ensure the display effect.
3. Application fields
RSDS is mainly suitable for most thin-film transistor (TFT) liquid crystal displays and industrial control equipment, such as common desktop (15-inch, 17-inch) LCD screens, embedded displays, etc. In addition, it is also used in the design of automotive display architecture interfaces, such as the RSDS (suppressed swing differential signal) bus technology of automotive displays. Through the integration of internal and external interfaces, it can reduce the components used, save PCB space and reduce EMC radiation and magnetization benefits. In general, RSDS technology plays an important role in fields such as liquid crystal display. It can reduce costs and power consumption while ensuring display effects.
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