Chip Scale PAL/NTSC Video Encoder with Advanced Power Management Data Sheet ADV7174/ADV7179 FEATURES Programmable subcarrier frequency and phase 1 Programmable LUMA delay ITU-R BT601/BT656 YCrCb to PAL/NTSC video encoder Individual on/off control of each DAC High quality 10-bit video DACs CCIR and square pixel operation SSAF (super sub-alias filter) Integrated subcarrier locking to external video source Advanced power management features Color signal control/burst signal control CGMS (copy generation management system) Interlaced/noninterlaced operation WSS (wide screen signaling) 2 3 Complete on-chip video timing generator NTSC M, PAL N , PAL B/D/G/H/I, PAL-M , PAL 60 Programmable multimode master/slave operation Single 27 MHz clock required (2 oversampling) Closed captioning support Macrovision 7.1 (ADV7174 only) Teletext insertion port (PAL-WST) 80 dB video SNR On-board color bar generation 32-bit direct digital synthesizer for color subcarrier On-board voltage reference Multistandard video output support: 2 2 2-wire serial MPU interface (I C compatible and fast I C) Composite (CVBS) Single-supply 2.8 V and 3.3 V operation Component S-video (Y/C) Small 40-lead 6 mm 6 mm LFCSP package Video input data port supports: 40C to +85C at 3.3 V CCIR-656 4:2:2 8-bit parallel input format 20C to +85C at 2.8 V Programmable simultaneous composite and S-video or RGB Qualified for automotive applications (SCART)/YPbPr video outputs Programmable luma filters low-pass PAL/NTSC notch, APPLICATIONS extended SSAF, CIF, and QCIF Portable video applications Programmable chroma filters (low-pass 0.65 MHz, 1.0 MHz, Mobile phones 1.2 MHz, and 2.0 MHz , CIF, and QCIF) Digital still cameras Programmable VBI (vertical blanking interval) FUNCTIONAL BLOCK DIAGRAM TTXREQ TTX ADV7174/ADV7179 M 10 POWER U 10 10-BIT MANAGEMENT CGMS AND WSS TELETEXT L DAC A (PIN 29) DAC CONTROL INSERTION INSERTION T YUV TO V 10 AA (SLEEP MODE) BLOCK BLOCK I RBG 10 10-BIT P MATRIX DAC B (PIN 28) DAC L 10 RESET E 10 X 10-BIT DAC C (PIN 24) E DAC 8 PROGRAMMABLE 10 COLOR 8 Y 9 9 ADD INTER- R LUMINANCE DATA SYNC POLATOR FILTER 4:2:2 TO YCrCb 4:4:4 TO P7P0 8 U 8 8 8 10 U INTER- YUV PROGRAMMABLE POLATOR MATRIX ADD INTER- CHROMINANCE V BURST 8 POLATOR 10 8 8 8 V FILTER 10 10 HSYNC VIDEO TIMING FIELD/VSYNC V REAL-TIME GENERATOR SIN/COS VOLTAGE REF 2 CONTROL BLANK I C MPU PORT DDS BLOCK REFERENCE R SET CIRCUIT CIRCUIT COMP CLOCK SCLOCK SDATA ALSB SCRESET/RTC GND Figure 1. 1 ITU-R and CCIR are used interchangeably in this document (ITU-R has replaced CCIR recommendations). 2 Throughout the document, N is referenced to PAL Combination N. 3 ADV7174 only. The Macrovision anticopy process is licensed for noncommercial home use only, which is its sole intended use in the device. Contact the sales office for the latest Macrovision version available. Rev. C Document Feedback 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 20022015 Analog Devices, Inc. All rights reserved. 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. Technical Support www.analog.com 02980-A-001ADV7174/ADV7179 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Timing Mode Register 0 (TR0) ................................................ 33 Applications ....................................................................................... 1 Timing Mode Register 1 (TR1) ................................................ 34 Functional Block Diagram .............................................................. 1 Subcarrier Frequency Registers 30 ........................................ 35 Revision History ............................................................................... 3 Subcarrier Phase Register .......................................................... 35 Specif icat ions ..................................................................................... 4 Closed Captioning Even Field Data Registers 10 ................ 35 2.8 V Specifications ...................................................................... 4 Closed Captioning Odd Field Data Registers 10 ................. 36 2.8 V Timing Specifications ........................................................ 5 NTSC Pedestal/PAL Teletext Control Registers 30 ............. 36 3.3 V Specifications ...................................................................... 6 Teletext Request Control Register (TC07) .............................. 37 3.3 V Timing Specifications ........................................................ 7 CGMS WSS Register 0 (C/W0) ............................................... 37 Absolute Maximum Ratings ............................................................ 9 CGMS WSS Register 1 (C/W1) ............................................... 38 ESD Caution .................................................................................. 9 CGMS WSS Register 2 (C/W2) ............................................... 38 Pin Configuration and Function Descriptions ........................... 10 Appendix 1Board Design and Layout Considerations .......... 39 General Description ....................................................................... 11 Ground Planes ............................................................................ 39 Data Path Description ................................................................ 11 Power Planes ............................................................................... 39 Internal Filter Response ............................................................. 11 Supply Decoupling ..................................................................... 40 Typical Performance Characteristics ........................................... 13 Digital Signal Interconnect ....................................................... 40 Features ............................................................................................ 16 Analog Signal Interconnect....................................................... 40 Color Bar Generation ................................................................ 16 Appendix 2Closed Captioning ................................................. 41 Square Pixel Mode ...................................................................... 16 Appendix 3Copy Generation Management System (C GMS) ............................................................................................ 42 Color Signal Control .................................................................. 16 Function of CGMS Bits ............................................................. 42 Burst Signal Control ................................................................... 16 Appendix 4Wide Screen Signaling (WSS) .............................. 43 NTSC Pedestal Control ............................................................. 16 Function of WSS Bits ................................................................. 43 Pixel Timing Description .......................................................... 16 Appendix 5Teletext ..................................................................... 44 Subcarrier Reset .......................................................................... 16 Teletext Insertion ........................................................................ 44 Real-Time Control ..................................................................... 16 Teletext Protocol ......................................................................... 44 Power-On Reset .......................................................................... 25 Appendix 6Waveforms .............................................................. 45 SCH Phase Mode ........................................................................ 25 NTSC Waveforms (with Pedestal) ........................................... 45 MPU Port Description ............................................................... 25 NTSC Waveforms (without Pedestal)...................................... 46 Register Accesses ........................................................................ 26 PAL Waveforms .......................................................................... 47 Register Programming ................................................................... 27 Pb Pr Waveforms ........................................................................ 48 Subaddress Register (SR7SR0) ................................................ 27 Appendix 7Optional Output Filter .......................................... 49 Register Select (SR5SR0) ......................................................... 27 Appendix 8Recommended Register Values ............................ 50 Mode Register 1 (MR1) ............................................................. 29 Outline Dimensions ....................................................................... 52 Mode Register 2 (MR2) ............................................................. 30 Ordering Guide .......................................................................... 52 Mode Register 3 (MR3) ............................................................. 31 Automotive Products ................................................................. 52 Mode Register 4 (MR4) ............................................................. 32 Rev. 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