What is MIPI DSI (Display Serial Interface)?
MIPI DSI is a high-speed serial display interface defined by the MIPI Alliance that sends pixel data over 1–4 differential data lanes plus a clock lane, widely used by mobile and embedded SoCs.
The basics
MIPI DSI (Display Serial Interface) is defined by the MIPI Alliance and runs over the D-PHY physical layer. A link has one differential clock lane and one to four data lanes, each typically carrying 0.5–1.5 Gbps.
Two operating modes exist:
- Video mode: the host streams pixels continuously. This is used by most TFT panels.
- Command mode: the panel stores the frame and the host sends updates only. This is common on small AMOLEDs and saves power.
What makes DSI different to integrate
Unlike LVDS, most DSI panels need an initialization sequence of DCS commands from the panel vendor before they show anything. Missing or wrong init code is the number-one reason a DSI panel stays black.
Where you find it
RK3566/RK3568/RK3588, NXP i.MX8M, Raspberry Pi, Allwinner A-series, STM32F469/H747 and ESP32-P4 all include DSI hosts. ESP32-S3 does not.
Related: MIPI DSI displays, MIPI DSI vs LVDS vs eDP.
Frequently asked questions
How many lanes does MIPI DSI need?
Up to about 1280×800 at 60 Hz fits in 2 lanes; 1920×1200 typically needs 4 lanes.
Does ESP32-S3 support MIPI DSI?
No. ESP32-S3 supports SPI, QSPI, 8080 and RGB. ESP32-P4 adds a 2-lane MIPI DSI host.
Not sure which display fits your design?
Send us your size, interface and host processor. A display engineer replies within 12 hours with 2–3 options, datasheets and init code. Samples from 1 pc.