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C790 Optional Accessories
C790 Pin Description
C790 Front
C790 Back
C790 application


C790 is an upgraded version of C779, C790 has made the following upgrades.

  • Solved the issue of back powering of HDMI IN interface
  • New added interface to support I2S audio
  • C790 supports CSI-2 2 lane and 4lane at the same time


Hardware Parameters

  • Compatible with Raspberry Pi 5/4B/3B+/3B/Zero/Zero W/Zero 2W/CM4/CM3
  • HDMI input: supports up to 1080P60Hz on Raspberry Pi (Only use with CM4)
  • HDMI to CSI-2 bridge chip:Toshiba TC358743XBG
  • 4 CSI-2 channels & clock (Pi 4 and Pi Zero only support 2 lan, max 1080P@50fps, and CM4 can support 4 lan, max 1080P@60fps)
  • The CSI-2 interface, with 15 pin FPC seat, spacing 1.0 mm, is located on the front of the C790 module.
  • The CSI-2 interface, with 22 pin FPC seat, spacing 0.5 mm, is located on the back of the C790 module.
  • Size: 30 x 45 mm
  • Power supply:3.3V
  • Weight: 10g
I2S Audio Inferface
C790 size

Packing List

  • 1 x C790 HDMI to CSI-2 Module
  • 1 x FPC 15pin 1.0mm cable(15cm length)
  • 1 x FPC 22pin 0.5mm cable(15cm length)
  • 1 x I2S cable (15cm length)

User Manual

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Anonymous user #2

15 days ago
Score 0++
This is not plug-and-play. Such an app would be welcomed.

Anonymous user #1

2 months ago
Score 0++
What is Raspberry Pi 5 maximum 1080p fps? Does RPI 5 utilize 4 lan like CM4?


2 months ago
Score 0++
the same with Raspberry Pi4


one month ago
Score 0++
Refer to X1300, and supports 4 lan like cm4