Mipi Csi 2 Specification Pdf
Camera Serial Interface
MIPI CSI‐2 RX Subsystem v2.1 3 PG232 2016 年 11 月 30 日 japan.xilinx.com Production 製品仕様 はじめに MIPI (Mobile Industry Processor In terface) Camera Serial Interface (CSI-2) RX サブシステムは、『MIPI Alliance Standard for Camera Serial Interface CSI-2 v1.1』 参照1 に準拠した CSI-2.
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:
- The key features of the Dual MIPI CSI-2 to Single MIPI CSI-2 Bridge IP are: Supports MIPI D-PHY Specification version 1.1 and MIPI CSI-2 Specification version 1.1 Output data rate up to 1.5 Gb/s/lane Configurable to 1, 2 or 4 data lanes for each channel Supports all MIPI CSI-2 compatible data types.
- The MIPI CSI-2 RX Controller core consists of multiple layers defined in the MIPI CSI-2 RX 1.1 specification, such as the lane management layer, low level protocol and byte to pixel conversion. The MIPI CSI-2 RX Controller core receives 8-bit data per lane, with support for up to 4 lanes, from the MIPI D-PHY core through the PPI.
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
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
Mipi Alliance Specification For Csi-2 Pdf
• 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
Mipi Csi 2 Specification Pdf Download
Key words: #MIPI #CSI #CameraSerialInterface #Camera #CameraModule
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