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  interface products-HDMI RX to MIPI CSI-2-TX  
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  X1301 V1.1  ACTIVE hardware   software  
       Product Overview  

The X1301 HDMI to CSI-2 bridge with I2S audio interface is a specialized product tailored for the Raspberry Pi. It is equipped with the Toshiba TC358743XBG bridge chip and a one-to-two active HDMI splitter chip, enabling support for HDMI input and HDMI Pass-Through up to 1080P at a refresh rate of 60 fps.

With the HDMI Pass-Through feature, you can seamlessly output the HDMI signal (audio/video) from various source devices such as a Blu-ray Disc player, cable box, or satellite receiver to a TV or projector for local monitoring, even when the Raspberry Pi is in standby mode.

       Product Features  

Compatible With
- Raspberry Pi 5B

- Raspberry Pi 4B

- Raspberry Pi 3B+

- Raspberry Pi 3B


- Capable of handling video formats up to 2K Full HD (1920x1080, 60fps)

- Supports HDMI Pass-Through for local HDMI display
- Equipped with the HDMI to CSI-2 bridge chip: Toshiba TC358743XBG
- Supports MIPI CSI-2 with 4 data lanes, each with speeds of up to 1 Gbps per lane
- Enables HDMI audio input and transmission over I²S
- Prevents HDMI backpowering to the Raspberry Pi CSI
- Features a CSI-2 connector: 22-pin FPC with 0.5mm pitch

- Designed to be attached on top, allowing stacking with other HATs
- Compatible with the HAT+ STANDBY power state, automatically turning off when the Pi 5 shuts down
- Easily mountable on the Raspberry Pi, allowing you to customize your perfect case


Here are some applications of HDMI to CSI (Camera Serial Interface) conversion:

1. Digital Media Adapters: HDMI to CSI adapters allow HDMI cameras to be used just like standard Raspberry Pi CSI cameras. This is useful for digital media adapters that need to process HDMI input.

2. Smart Monitors: Smart monitors can benefit from HDMI to CSI conversion, enabling them to accept HDMI video streams and integrate them into their display systems.

3. Set-Top Boxes (STBs): STBs often require video input from various sources. HDMI to CSI conversion allows STBs to handle HDMI signals efficiently.

4. Smart TVs: Some smart TVs may need to process HDMI input for features like picture-in-picture or video conferencing. HDMI to CSI bridges facilitate this integration.

5. Entertainment Screens: Whether it's for gaming consoles, streaming devices, or other entertainment systems, HDMI to CSI conversion ensures compatibility with HDMI sources.

6. KVM over IP: IP-KVM (Keyboard, Video, Mouse over IP) solutions using a Raspberry Pi, This bridge allows you to capture full HD video with low latency and supports H.264 video encoding of your desktop.

Remember that HDMI to CSI adapters are particularly useful when interfacing HDMI cameras with Raspberry Pi boards. They provide a seamless way to incorporate HDMI video streams into various applications.

       Technical Specification  
Power supply : 5Vdc via 40-pin GPIO header & 3.3Vdc via FFC
Ports & Connectors : HDMI video input connector x1 - Type-A 19-pin
    HDMI Pass-Through connector x1 - Type-A 19-pin
    MIPI connector x1 - 22pin 0.5mm pitch
MIPI cable length : 30mm
PCB Size : 37.5mm x 30mm
       Package Contents  

-  X1301 V1.1 HDMI to CSI-2 module x1

  -  22-pin to 15p-pin MIPI FFC 30mm x2 (For Raspberry Pi 4B/3B+/3B)
  -  22-pin MIPI FFC 30mm x2 (For Raspberry Pi 5B)
  -  Screw pack x1 
        Important Notes  

The Raspberry Pi 4B, 3B+, and 3B do not support the HAT+ STANDBY power state, which means they cannot automatically turn off the X1301 when the Pi shuts down.

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