MIPI CSI-2 Receiver Decoder For PolarFire User Guide

2022-11-07
●MIPI CSI-2 is a standard specification defined by a Mobile Industry Processor Interface (MIPI) alliance.The Camera Serial Interface 2 (CSI-2) specification defines an interface between a peripheral device (camera) and a host processor (base-band,application engine).This user guide describes the MIPI CSI-2 receiver decoder for PolarFire (MIPI CSI-2 RxDecoder),which decodes the data from the sensor interface.
●The IP core supports multi-lane (1,2,4,and 8 lanes) for Raw-8,Raw-10,Raw-12,Raw-14,Raw-16,and RGB-888 data types.
●MIPI CSI-2 operates in two modes—high-speed mode and low-power mode.In high-speed mode,MIPI CSI-2 supports the transport of image data using short packet and long packet formats.Short packets provide frame synchronization and line synchronization information.Long packets provide pixel information.The sequence of transmitted packets is as follows.
■1.Frame start (short packet)
■2.Line start (optional)
■3.Few image data packets (long packets)
■4.Line end (optional)
■5.Frame end (short packet)
●One long packet is equivalent to one line of image data.The following illustration shows the video data stream.
●Key Features
■Supports Raw-8,Raw-10,Raw-12,Raw-14,Raw-16,and RGB-888 data types for 1,2,4,and 8 lanes
■Supports 4 pixels per pixel clock for 4 and 8 lanes mode

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