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CVD1
2D Comb Filter NTSC/PAL/SECAM Video Decoder
DVD Digital Camera
Driving the Digital Lifestyle
Digital TV Imaging IP Cores
Product Brief
Zoran Corporation 1390 Kifer Road Sunnyvale, CA 94086-5305
Te l 408.523.6500 Fax 408.523.6501 www.zoran.com
Benefits Overview
Zoran's CVD1 Video Decoder is a silicon efficient, cost effective, high video quality Intellectual Property Core for IC designs requiring video input. The CVD2 decodes NTSC/PAL/SECAM composite video or S-video and converts it into YUV 4:2:2, 16-bit digital video. Employing adaptive 2D comb filter technology, the CVD1 is able to provide high quality Y/C separation while maintaining excellent frequency response. The result is sharp, high detail video that eliminates unwanted dot crawl and false color effects. A fully digital design, the CVD1 requires the addition of only an A/D (two for S-Video support), a DC restore circuit and line buffers for implementation. Deliverables * RTL (Verilog) source code * Bit accurate C++ model * Synopsis synthesis scripts * Test input files * Documentation * FPGA evaluation board available CVD1 is based on Zoran's extensive experience delivering high quality, high volume video ICs to major OEMs worldwide. Proven in silicon, the CVD1 Video Decoder greatly reduces the risk and time involved when integrating the video decoding function into an IC.
Features
* Decodes NTSC, PAL or SECAM composite video or S-Video into the YUV 4:2:2 format * Component video inputs supported * Decodes all variations of the NTSC standard * Decodes all variations of PAL standard - (I, B, G, H, D, N, M, combination N) * Excellent quality Y/C separation - minimizes cross luma and cross color effects * Superior frequency response preserves fine detail * Accepts up to 11-bit inputs from A/D converter * Digital automatic gain control (AGC) supported * Adaptive 2D Comb Filter provides high quality video: - 3-line 2D Comb Filter for NTSC & PAL - 5-line 2D Comb Filter for PAL (optional) * Auto-detects video standard (NTSC, PAL or SECAM) * Auto-detects and locks to VCR trick modes * Decodes weak and noisy off-air signals * Auto-detects and decodes Macrovision copy protection * VBI decoding supported * Silicon efficient design of approximately 130k gates * Requires only a single clock input ranging from 20 to 30 MHz * Process technology independent, fully synchronous design
7/16/04-TS
CVD1-PB-1.0
CVD1
2D Comb Filter NTSC/PAL/SECAM Video Decoder
Driving the Digital Lifestyle
Product Brief
Figure 1. Block Diagram of the CVD1 Intellectual Property Core
Line Buffer
Y Adaptive 2D Comb Filter ADC NTSC/PAL/SECAM Demondulator U/V
DC Restore Analog front end control
C PLL
H PLL
H,V, H blank
Register File
Figure 2. CVD1 Logical Pinout
ext_clk ext_reset_1 reg_addr[7:0] reg_rd_wtn reg_rdy reg_wt_data[7:0] reg_ack reg_rd_rdy reg_rd_data[7:0] dc_gate dc_ref yup ydn cbup cbdn crup crdn gain[7:0] cr_sel cout[7:0] yout[7:0] dvalid hactive vactive
clk reset_1
compluma[9:0] chroma[9:0]
vbi_dvalid
hcount[9:0] vcount[9:0] hsync vsync field no_signal locked proscan
1b0_rdata[35:0] 1b1_rdata[35:0]
1b0_adr[9:0] 1b1_adr[9:0] 1b_wdata[35:0] 1b_wdata_rdy[1:0] 1b_rdata_req[1:0]
For more information, contact Zoran's Sunnyvale office or the office nearest you:
Canada Zoran Toronto Lab Te l : (416) 690-3356 Fax: (416) 690-3363 China Zoran China Office Tel: 86-755-83993777 Fax: 86-755-83220889 Hong Kong Zoran Asia Pacific Ltd. Tel: +852-2-620-5838 Fax: +852-2-620-5238 Israel Zoran Microelectronics Ltd. Te l : +972-4-8545-777 Fax: +972-4-8551-551 Japan Zoran Japan Office Te l : +81-03-5475-1051 Fax: +81-03-5475-1053 Korea Zoran Korea Office Tel: +82-2-761-7471 Fax: +82-2-761-7472 Taiwan Zoran Taiwan Office Te l : +886-2-2659-9797 Fax: +886-2-2659-9595
7/16/04-TS
CVD1-PB-1.0

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