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The initial version of MIPI CSI-2^SM, released in November 2005, was designed to connect cameras to processors in mobile phones. But like many MIPI specifications, MIPI CSI-2 quickly found its way into other applications and has become the de facto standard for camera interfaces for automotive, drones, augmented/virtual reality (AR/VR) headsets and Internet of Things (IoT) devices.

Each new version of MIPI CSI-2 anticipates emerging imaging trends in mobile and mobile-influenced industries, including 1080p, 4K, 8K and beyond video. Since 2009, MIPI CSI-2 has been supported by MIPI D-PHY^SM, which is a clock-forwarded synchronous link that provides high noise immunity and high jitter tolerance. Performance is lane-scalable up to 18 Gbps with four-lane (10-wire) MIPI D-PHY v2.1 interface under MIPI CSI-2 v2.1. MIPI D-PHY is ideal for automotive applications such as connecting rear megapixel cameras and high-resolution dashboard displays to the vehicle’s application processor. Figure 1 illustrates how the two MIPI specifications work together.

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