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AL37204

Averlogic Technologies
Part Number AL37204
Manufacturer Averlogic Technologies
Description Video ASIC for 4-Channel Multiplexing
Published Oct 31, 2005
Detailed Description AL37204 Video ASIC for 4 Channel multiplexing Applications Time Division Multiplexer Digital Video Recorder Video Server...
Datasheet PDF File AL37204 PDF File

AL37204
AL37204

Overview
AL37204 Video ASIC for 4 Channel multiplexing Applications Time Division Multiplexer Digital Video Recorder Video Server General Description AL37204 is an ASIC solution for QUAD, Color Multiplexer, DVR and Video Server in CCTV system.
It can support 4 camera inputs multiplexer for triplex operation.
The input data interface is CCIR656 4:2:2 8-bit format.
It has (Max.
) 3 output paths for flexible combination of live/ spot monitoring, play and VCR/DVR recording.
The output data interface has the analog s-video/ composite/ RGB progressive and digital CCIR656 YUV 4:2:2 8-bit and progressive RGB 4:4:4 24-bit video formats in NTSC/PAL video system.
(NTSC: 30 frame/sec, PAL: 25 frame/sec).
Direct memory access (DMA) allows image data to be uploaded to PC.
DDR memory is supported via a direct video frame buffer interface for quick replay.
Via serial I2C interface or host parallel bus, the fully programmable register sets allow flexible control of the video window overlay, OSD display, VBI, and input/output channel source selection etc.
More features offered include PIP, POP, channel freeze, scaling down, re-play function, OSD function, VBI decoding and encoding, zooming with H/ V linear interpolation, anti-rolling, image panning/ flipping/ mirroring, channel switching, priority (weighting) recording, GOP recording for DVR, video loss/ blind detection and motion detection that increase the value of a high quality system designn.
External Device Interface - Image CODEC Interface - AL37204 to achieve 4-ch multiplexer - 8 bit Host Parallel interface & I2C serial interface - 16-bit DDR Interface (256/512M bit, 133MHz) - Color Video Decoder/Encoder Interface Electric Characteristic - Operating voltage: 1.
8 volt (Core), 3.
3 volt (I/O) - Operating temperature range : 0к ~ 70к - 216 Pin LQFP package - 27 MHz main clock - Low power General Features - Support NTSC and PAL standards - Triplex operation support real-time monitoring, recording, and playback independently  4 channels liv...


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