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BLICUBE / C778

C778 HDMI to MIPI CSI-2 module

Powered by Lontium LT6911UXE, supporting up to 4K60 and 1080p120 HDMI input. Dual CSI ports offer default duplicate and optional left/right split output, with dedicated 5V power and I²S audio.

Read the manualChoose your platform

Video is carried over CSI. Match the host driver, device tree and chip firmware before use.

C778 front view
C778 · LT6911UXE
LT6911UXEHDMI bridge
2 × 22PinMIPI CSI-2 connectors
I²SSeparate digital audio
56 × 56 mmPCB dimensions

DUAL CSI-2 OUTPUT

One HDMI input, two output profiles

The default duplicate profile sends the same full image to MIPI0 and MIPI1, for one or two receiver paths. The split profile sends left/right halves over separate CSI paths for host-side pairing and stitching.

Default duplicate output profileLeft/right split output profile

4K60 and 1080p120 describe HDMI input capability. Actual host capture, display and encoding also depend on firmware, pixel format, CSI bandwidth and application performance.

PLATFORM GUIDES

Choose the integration path for your host

Validation priority

Raspberry Pi 5B

Dual CAM/DISP connection with LT and RP1-CFE drivers plus a device-tree overlay. The existing test bundle requires an exact kernel match.

Read the Pi 5B guide →
Integration in progress

RV1126B

Luckfox Aura reference integration using one four-lane CSI path, I²C and I²S. Board wiring and output modes need hardware verification.

Read the RV1126B guide →

HARDWARE

Connectors and mounting dimensions

C778 connectors
HDMI, dual MIPI, 5V and I²S interfaces
C778 dimensions
56 × 56 mm · 4 × Φ2.75 mm

Specifications and package contents

Model
C778
Video input
HDMI · 4K60 / 1080p120
Video output
MIPI CSI-2 × 2 / 22Pin
Audio interface
I²S
Power input
5V
PCB size / mounting holes
56 × 56 mm / Φ2.75 mm

Package contents

  • C778 module × 1
  • 5V power cable, 15 cm × 1
  • 22-pin, 15 cm FPC cables × 2
  • I²S cable, 5-pin / 4 wires, 15 cm × 1

Subject to the final sales SKU. Host and HDMI cable are separate. Power-current limits, interface levels and release compatibility modes are being finalized.

C778 package contents illustration

Confirm your platform before connecting

The manual covers wiring, platform requirements, validation and diagnostics. Driver repository and release-download links will be added when ready.

Open the C778 manual →