Mipi Csi 2 Specification Pdf
Greatly simplifies system complexity, cost, and cabling requirements. The CSI-2 input of the DS90UB953-Q1 mates well with the MIPI CSI-2 video output of the IMX390 imager. Once combined with the filters for the PoC, video, I2C control, diagnostics, and power can all be transmitted up to 15 meters on a single inexpensive coax cable.
- Automotive ADAS Reference Design for Four-Camera Hub With MIPI CSI-2 Output TI Designs Automotive ADAS Reference Design for Four-Camera Hub With MIPI CSI-2 Output Description This camera hub reference design allows connection of up to four 1.3-megapixel cameras to a TDA3x system-on-chip (SoC) evaluation module (EVM).
- MIPI CSI-2 IP and MIPI DSI IP core comply with the MIPI standerd and they work on FPGA. They forward serial data from Camera to Application Processer. Complying with MIPI alliance standard. Supports various image formats. Realize full high vision display speed.
Camera Serial Interface
The Camera Serial Interface (CSI) is a specification of the Mobile Industry Processor Interface (MIPI) Alliance. It defines an interface between a camera and a host processor. The latest active interface specification is CSI-3 which was released in 2012.
Different Standards of MIPI CSI Interface:
MIPI CSI-1 was the original standard MIPI interface for cameras. It emerged as an architecture to define the interface between a camera and a host processor. Its successors were MIPI CSI-2 and MIPI CSI-3, two standards that are still evolving.
MIPI CSI-2 v1.0 specification was released in 2005. It uses either D-PHY or C-PHY (Both standards are set by the MIPI Alliance) as a physical layer option. The protocol is divided into the following layers:
1. Physical Layer (C-PHY/D-PHY)
2. Lane Merger Layer.
3. Low Level Protocol Layer.
4. Pixel to Byte Conversion Layer
5. Application Layer Mobile intel r 4 series express driver.
MIPI CSI-3 is a high-speed, bidirectional protocol primarily intended for image and video transmission between cameras and hosts within a multi-layered, peer-to-peer, UniPro-based M-PHY device network. It was originally released in 2012 and got re-released in version 1.1 in 2014.
What is the difference between MIPI CSI-2 and CSI-3?
MIPI CSI-2 V1.3
Figure-1 and figure-2 depicts MIPI CSI-2 variants D-PHY, C-PHY and Combo PHY. Following are the features of MIPI CSI-2 V1.3 :
• PHY variants supported: D-PHY 1.2, C-PHY 1.0 or 'Combo PHY'
• Number of Virtual Channels: Four (4)
• Control Interface: I2C
• Line based transmission (Easy implementation, low gate count, matched data rates for sensor and link)
• Interrupt type: In-Band
• Supports RGB, RAW, YUV, JPEG
• Embedded Data
• CRC/ECC for payload & Header Protection
MIPI CSI-3 V1.1
Figure-3 depicts MIPI CSI-3 interface. Following are the features of MIPI CSI-3 V1.1 :
• M-PHY 3.0
• Virtual Channels: 32
• In-Band Control
• Packet Based Transmission
• In-Band Interrupts
• Supports RGB, RAW, YUV, JPEG
• Embedded Data
• Notification channels for metadata, audio etc.
• CCI bridging
• Guaranteed delivery of data
You can continue to learn more about MIPI CSI interfaces at the below links:
https://mipi.org/specifications/csi-2
https://www.electronicdesign.com/communications/understanding-mipi-alliance-interface-specifications
http://www.rfwireless-world.com/Terminology/MIPI-CSI-2-vs-MIPI-CSI-3.html
Key words: #MIPI #CSI #CameraSerialInterface #Camera #CameraModule
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