AL37204

AL37204 ETC1

Document overview

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Technical content

a “ey, AVERLOGIC AL37204 yy w 4 Video ASIC for 4 Channel multiplexing Applications General Features Time Division Multiplexer - Support NTSC and PAL standards Digital Video Recorder - Triplex operation support real-time monitoring, Video Server recording, and playback independently - 4 channels live multiplexing with 1 chip, 8/16 General Description channels non-real-time multiplexing with 1 chip (NTSC: 30 frame/sec, PAL: 25 frame/sec) AL37204 is an ASIC solution for QUAD, Color - Programmable size/location, panning flipping, Multiplexer, DVR and Video Server in CCTV system. mirroring and tilting for every channel It can support 4 camera inputs multiplexer for triplex - Intemal sealing function (1/2, 1/3, 1/4, 2/3, 3/4) operation. The input data interface is CCIR656 4:2:2 - Support PIP /POP, and anti-rolling channel switching 8-bit format. It has (Max.) 3 output paths for flexible - Individual channel freeze operation combination of live/ spot monitoring, play and - Support linear Zooming function for monitoring VCRUDVR recording. The output data interface has and playback modes(with independent vertical and the analog s-video/ composite’ RGB progressive and horizontal linear interpolation) digital CCIR656 YUV 4:2:2 8-bit and progressive - Embedded internal OSD; BMP Image overlay and RGB 4:4:4 24-bit video formats in NTSC/PAL video flexible font display system. (NTSC: 30 frame/sec, PAL: 25 frame/sec). - Direct connection to video decoder/ encoder, TV Direct memory access (DMA) allows image data to be monitor, VCR, MPEG/M-JPEG CODEC IC uploaded to PC. DDR memory is supported via 2 - No dirty frame during channel switching under direct video frame buffer interface for quick replay. monitoring, recording and playback mode Via serial °C interface or host parallel bus, the fully - Support DDR (16-bit) interface more 4G bits programmable register sets allow flexible control of memory the video window overlay, OSD display, VBI, and - Support 4/ 8/ 16 channels GOP recording function input/output channel source selection etc. of full, semi-full channel and QUAD frame output - Priority (weighting) recording of special event More features offered mclude PIP, POP. channel] channels (internal or external alarms) freeze, scaling down, re-play function, OSD function, - Support individual channel video loss/ blind VBI decoding and encoding. zooming with HV linear detection; last still image displayed at the specified interpolation, anti-rolling, mage panning’ flipping! channel when video-loss detected mirroring, channel switching, priority (weighting) - Support individual channel motion detection in recording, GOP recording for DVR, video loss/ blind hardware and software; programmable motion area! detection and motion detection that increase the value velocity! sensitivity of a high quality system designn. - Last image captured before alarm events triggered for individual channel External Device Interface - More Programmable settings for special alarm events - Support channel-switching (Max. 4 channel per ~ Image CODEC Interface decoder) feature at front video decoder - AL37204 to achieve 4-ch multiplexer Pr. ble brighta trast and saturatio: - 8 bit Host Parallel interface & I2C serial interface - fecen * ass, Comiras = - 16-bit DDR Interface (256/512M bit, 133MHz) _ VBI insertion and extraction ~ Color Video Decoder/Encoder Interface - Channel index information access and control by - host interface Electric Characteristi eT NATIT - Individual channel replay function directly from . Operating voltage: 1.8 volt (Cone), 330k aio) - Suman ven DVR playback - ting temperature range = ~ R VCR/ DVR mal tri - . 1 - 216 Pin LQFP package ~ React . external tegering signal in - 27 MHz main clock time-lapse recording mode - Low power - Programmable channel indexing for recording

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AverLogic Technologies, Corp. The AL37304 OSD windows provide overlay of ee ogn om various graphic images like pop-up menu, camera 4F, No. 514. Sec. 2, Cheng Kung Rd., index, programmable bitmap or message text, etc. : . ; High quality multi-channel and adjustable zoom Nei-Hu Dist., Taipei, Taiwan display with less aliasing provides full control of digital magnification of any camera for closer view. It Tel: +886 2-27915050 can output the digital YUV and RGB format at the same time for monitoring, recording and compression. Fax: +886 2-27912132 Advanced motion detection with programmable . . detection mask and sensitivity level of each camera. E-mail: sales@averlogic.com tw Accessible register/data of moving vector for tracking. . . . User can decide which image frame willbe displayed URL: http://Awww.averlogic.com.tw or recorded on monitor/VCR/- DVR output when events triggered. It supports 4/8/16 Channel GOP recording (Max. 15 frame/Group, > 1.5G bits) and >256 fields (>12 G bits) for replay. It can support 4.x . - 1G bits memory in total. Proprietary priority AverLogic Technologies, Inc. (weighting) recording makes the interested channels . almost like live recording with minor controllable loss 90 Great Oaks Blvd, suite 204, of other channels recording. Flexible alarm handling . . 7 for priority (or exclusive) alarm events recording and San Jose, Califomnia 951 19, USA monitoring at individual channel. All input channels . 0400 including camera and playback channels will support Tel: 1 408 361 replay feature. Fax: 1 408 361-0404 AverLogic’s proprietary digital and analog signal -mail- es/@av - processing technologies create a high quality tear free, E . sales@averlogic.com flicker free and anti-aliasing display. The AL37204 URL: http: /iwww.averlogi ic.com provides a cost-effective and flexible solution for all applications of security related system.