Datenblatt-Suchmaschine für elektronische Bauteile |
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ADV7178 Datenblatt(PDF) 1 Page - Analog Devices |
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ADV7178 Datenblatt(HTML) 1 Page - Analog Devices |
1 / 44 page Integrated Digital CCIR-601 to PAL/NTSC Video Encoder ADV7177/ADV7178 Rev. C Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 © 2005 Analog Devices, Inc. All rights reserved. FEATURES ITU-R BT601/656 YCrCb to PAL/NTSC video encoder High quality, 9-bit video DACs Integral nonlinearity <1 LSB at 9 bits NTSC-M, PAL-M/N, PAL-B/D/G/H/I Single 27 MHz crystal/clock required (±2 oversampling) 75 dB video SNR 32-bit direct digital synthesizer for color subcarrier Multistandard video output support: Composite (CVBS) Component S-video (Y/C) Component YUV or RGB Video input data port supports: CCIR-656 4:2:2 8-bit parallel input format 4:2:2 16-bit parallel input format Full video output drive or low signal drive capability 34.7 mA max into 37.5 Ω (doubly terminated 75 R) 5 mA min with external buffers Programmable simultaneous composite and S-VHS (VHS) Y/C or RGB (SCART)/YUV video outputs Programmable luma filters (low-pass/notch/extended) Programmable VBI (vertical blanking interval) Programmable subcarrier frequency and phase Programmable luma delay Individual on/off control of each DAC CCIR and square pixel operation Color-signal control/burst-signal control Interlaced/noninterlaced operation Complete on-chip video timing generator OSD support (ADV7177 only) Programmable multimode master/slave operation Macrovision AntiTaping Rev. 7.01 (ADV7178 only)1 Closed captioning support On-board voltage reference 2-wire serial MPU interface (I2C®-compatible) Single-supply 5 V or 3 V operation Small 44-lead MQFP package Synchronous 27 MHz/13.5 MHz clock output APPLICATIONS MPEG-1 and MPEG-2 video, DVD, digital satellite, cable systems (set-top boxes/IRDs), digital TVs, CD video/karaoke, video games, PC video/multimedia 1 The Macrovision anticopy process is licensed for noncommercial home use only, which is its sole intended use in the device. Please contact sales office for latest Macrovision version available. ITU-R and CCIR are used inter- changeably in this document (ITU-R has replaced CCIR recommendations). FUNCTIONAL BLOCK DIAGRAM OSD_EN OSD_0 OSD_1 OSD_2 P7–P0 P15–P8 COLOR DATA ADV7177 ONLY 4:2:2 TO 4:4:4 INTER- POLATOR ADD BURST SIN/COS DDS BLOCK YUV TO RBG MATRIX DAC C (PIN 26) DAC B (PIN 27) DAC A (PIN 31) ADV7177/ADV7178 VOLTAGE REFERENCE CIRCUIT VIDEO TIMING GENERATOR I2C MPU PORT CLOCK CLOCK CLOCK/2 RESET SCLOCK SDATA ALSB GND VREF RSET COMP VAA HSYNC FIELD/VSYNC BLANK YCrCb TO YUV MATRIX 8 8 8 8 8 8 8 8 8 8 9 9 8 9 9 9 8 9 9 9 ADD BURST ADD SYNC INTER- POLATOR INTER- POLATOR INTER- POLATOR Y LOW-PASS FILTER V LOW-PASS FILTER U LOW-PASS FILTER 9-BIT DAC 9-BIT DAC 9-BIT DAC Figure 1. |
Ähnliche Teilenummer - ADV7178_15 |
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Ähnliche Beschreibung - ADV7178_15 |
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