MIPI CSI / DSI Overview · protocols

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What you'll learn

MIPI moves camera and display data through high-speed lane bursts with strict timing budgets.

CSI-2: camera serial interface. DSI: display serial interface.
This example uses conventional D-PHY clock/data lanes; CSI-2 also has other PHY mappings with different signalling.
For the scoped CSI-2 packet model, distinguish header protection, long-packet payload CRC and frame-boundary short packets.

Connection

Lane-based high-speed protocol — similar PHY challenges to PCIe/Ethernet.

Key diagram

Camera pixels and sensor commands take different paths

Camera pixels and sensor commands take different paths. Conventional camera example; the control bus follows the sensor contract. It is not a DSI panel packet diagram or a claim that every MIPI endpoint is configured over I2C.

Conventional camera example; the control bus follows the sensor contract. It is not a DSI panel packet diagram or a claim that every MIPI endpoint is configured over I2C.

Check yourself Does a successful sensor-control register read prove that the pixel path works?

No. It exercises the separate control path; CSI-2 packets, lanes, receiver format and downstream data delivery remain to be checked.

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