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ADV7177KS 데이터시트(PDF) 1 Page - Analog Devices |
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ADV7177KS 데이터시트(HTML) 1 Page - Analog Devices |
1 / 38 page REV. 0 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a ADV7177/ADV7178 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1998 Integrated Digital CCIR-601 to PAL/NTSC Video Encoder 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 and RGB Video Input Data Port Supports: CCIR-656 4:2:2 8-Bit Parallel Input Format 4:2:2 16-Bit Parallel Input Format SMPTE 170M NTSC-Compatible Composite Video ITU-R BT.470 PAL-Compatible Composite Video Full Video Output Drive or Low Signal Drive Capability 34.7 mA max into 37.5 (Doubly-Terminated 75R) 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 (AD7177 Only) Programmable Multimode Master/Slave Operation Macrovision Antitaping Rev 7.01 (ADV7178 Only)** Closed Captioning Support Onboard Voltage Reference 2-Wire Serial MPU Interface (I2C® Compatible) Single Supply +5 V or +3 V Operation Small 44-Lead PQFP Package Synchronous 27 MHz/13.5 MHz Clock O/P 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 GENERAL DESCRIPTION The ADV7177/ADV7178 is an integrated digital video encoder that converts Digital CCIR-601 4:2:2 8- or 16-bit component video data into a standard analog baseband television signal 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 8 8 8 8 ADD BURST 8 INTER- POLATOR 8 V LOW-PASS FILTER 9 9 9 9 9 SIN/COS DDS BLOCK YUV TO RBG MATRIX M U L T I P L E X E R 9 9 9 9-BIT DAC 9-BIT DAC 9-BIT DAC 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 8 ADD BURST 8 INTER- POLATOR 8 U LOW-PASS FILTER 8 ADD SYNC 8 INTER- POLATOR 8 Y LOW-PASS FILTER YCrCb TO YUV MATRIX *Protected by U.S. Patent Numbers 5,343,196 and 5,442,355 and other intellectual property rights. **This device is protected by U.S. Patent Numbers 4,631,603, 4,577,216, 4,819,098 and other intellectual property rights. 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. NOTE: ITU-R and CCIR are used interchangeably in this document (ITU-R has replaced CCIR recommendations). I2C is a registered trademark of Philips Corporation. (Continued on page 11) |
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