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| W9953F/W9954F TV ENCODER GENERAL DESCRIPTION The W9953F/ W9954F is a high performance digital video encoder which converts a 4:2:2 ITU-R 601/656 digital video stream into a standard analog base band composite video and Y/C video signals, which compatible with worldwide standards. The W9953F/ W9954F can operate in either master or slave mode and interlaced or non-interlaced mode. The on-chip 2X over sampling eases the analog post-filtering. Three 10-bit resolution D/A converters provide Y,C and CVBS signals, all in standard video-level at doubly terminated 75 loads. The chips provide Closed-Caption, WSS/ CGMS and teletext functions. The W9953F also provides Macrovision 7.01 copy protection, but W9954F doesn't provide this function. * Master or slave operation modes * Programmable sync polarity and horizontal phase * Programmable Y/C delay relationship * Sync extraction from digital input data * Interlaced or non-interlaced operation * Closed captioning and WSS/CGMS encoding * PAL-WST Teletext encoding * Fast I2C-bus control port * Macrovision Rev 7.01 copy protection process (W9953F only) * On chip color-bar generator * Internal voltage reference * Power down mode * Monolithic CMOS 3.3V (5V) device * 44-pin QFP package FEATURES APPLICATIONS * Full multi-standard digital encoder supports NTSC-M, PAL-B, D, G, H, I, N and M encoding * Accepts ITU-R 601/ 656 8-bit YCbCr (4:2:2) input format * Three 10-bit DACs, run at 2X pixel rate, provide Y,C and CVBS outputs. W9953F/ W9954F is designed for digital video applications, such as DVD (Digital Versatile Disc), players STBs (Set-Top Box), Multimedia PCs and other video equipment. FUNCTIONAL BLOCK SDA SCL AS XTALO XTALI XCLK TTX TTXR Q Note, The difference between W9953F and W9954F is W9953F provides Macro -vision 7.01 copy protection, but W9954F doesn't provide this function. The W9953F may be purchased by Macrovision Authorized Buyers only. This device is protected by U.S. Patent numbers 4,631,603, 4577216 and 4,819,098, and other intellectual property rights. The use of Macro- vision's copy protection technology in this device must be authorized by Macrovision and is intended for home and other limited pay-per-view uses only, unless otherwise authorized in writing by Macrovision. Reverse engineering or disassembly is prohibited. I2C-bus Interface crystal oscillator Teletext Closed Captioning WSS/CGMS Internal Voltage Reference V REF COMP FSADJ Sync Generator P[7:0] Demultiplexer and SYNC Extract 4:2:2 to 4:4:4 and Up-sampling Interpolator LPF D/A Y HSYNC ODDEV/VSYNC Video Timing Generator D/A LPF LPF Macrovision CVBS CLK Chroma Modulator D/A C RESET# VSSD VDDD VDDA1 VDDA2 VSSA1 VSSA2 Winbond Corporate Headquarters Tel : 886-3-5790666 Fax : 886-3-5796139 Taipei Sales Office Tel : 886-2-27190505 Fax : 886-2-27197502 Winbond Electronics North America Corp. Tel : 1-408-943666 Fax : 1-408-9436668 Winbond Electronics H.K. Ltd. Tel : 852-27513100 Fax : 852-27552064 Jul. 1998 Details are subject to change without notice. All trademarks are property of their respective holders. |
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