10-Bit, SDTV Video Decoder with Differential Inputs Data Sheet ADV7182 TM FEATURES Rovi (Macrovision) copy protection detection NTSC/PAL/SECAM autodetection Worldwide NTSC/PAL/SECAM color demodulation support 8-bit ITU-R BT.656 YCrCb 4:2:2 output and HS, VS, or FIELD One 10-bit analog-to-digital converter (ADC), 4 oversampling Full-featured VBI data slicer with teletext support (WST) per channel for CVBS, Y/C mode, and YPrPb Power-down mode and ultralow sleep mode current Four analog video input channels with on-chip antialiasing filter 2 Two-wire serial MPU interface (I C compatible) CVBS (composite), Y/C (S-Video), and YPrPb (component) video Single 1.8 V supply possible input support Automotive qualified models available Fully differential, pseudo differential, and single-ended CVBS 40C to +105C automotive temperature grade video input support 40C to +85C industrial qualified temperature grade Up to 4 V common-mode input range solution 32-lead, 5 mm 5 mm, RoHS-compliant LFCSP Excellent common-mode rejection capabilities Five-line adaptive comb filters and CTI/DNR video enhancement APPLICATIONS TBC functionality provided by adaptive digital line length Automotive infotainment tracking (ADLLT), signal processing, and enhanced first in, DVRs for video security first out (FIFO) management Media players Integrated automatic gain control (AGC) with adaptive peak white mode Video fast switch capability Adaptive contrast enhancement (ACE) Down dither (8 bits to 6 bits) FUNCTIONAL BLOCK DIAGRAM CLOCK PROCESSING BLOCK XTALP LLC XTALN PLL ADLLT PROCESSING VS/FIELD/SFL DIGITAL 10-BIT PROCESSING HS AA ADC BLOCK A 1 IN FILTER 1 2D COMB AA DIFFERENTIAL A 2 + IN FILTER 2 OR SHA ADC SINGLE-ENDED VBI SLICER AA ANALOG VIDEO A 3 IN FILTER 3 8-BIT PIXEL DATA INPUTS P7 TO P0 COLOR AA A 4 DEMOD IN FILTER 4 2 REFERENCE I C/CONTROL INTRQ ADV7182 SCLK SDATA ALSB RESET PWRDWN Figure 1. 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MUX BLOCK OUTPUT BLOCK FIFO ACE DOWN-DITHER 11001-001ADV7182 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 SD Luma Path ............................................................................. 20 Applications ....................................................................................... 1 SD Chroma Path ......................................................................... 20 Functional Block Diagram .............................................................. 1 ACE and Dither Processing Blocks .......................................... 21 Revision History ............................................................................... 3 Sync Processing .......................................................................... 21 General Description ......................................................................... 4 VBI Data Recovery ..................................................................... 21 Overview of the Analog Front End ............................................ 4 General Setup .............................................................................. 21 Overview of the Standard Definition Processor ...................... 5 Color Controls ............................................................................ 23 Specifications ..................................................................................... 6 Free-Run Operation ................................................................... 25 Electrical Characteristics ............................................................. 6 Clamp Operation ........................................................................ 26 Video Specifications ..................................................................... 7 Luma Filter .................................................................................. 27 Timing Specifications .................................................................. 8 Chroma Filter .............................................................................. 30 Analog Specifications ................................................................... 9 Gain Operation ........................................................................... 31 Thermal Specifications ................................................................ 9 Chroma Transient Improvement (CTI) .................................. 35 Absolute Maximum Ratings .......................................................... 10 Digital Noise Reduction (DNR) and Luma Peaking Filter ... 36 ESD Caution ................................................................................ 10 Comb Filters ................................................................................ 37 Pin Configuration and Function Descriptions ........................... 11 IF Filter Compensation ............................................................. 39 Power Supply Sequencing .............................................................. 12 Adaptive Contrast Enhancement (ACE) ................................. 39 Optimal Power-Up Sequence ................................................... 12 Dither Function .......................................................................... 40 Simplified Power-Up Sequence ................................................ 12 AV Code Insertion and Controls ............................................. 41 Universal Power Supply ............................................................. 12 Synchronization Output Signals ............................................... 42 Input Networks ............................................................................... 13 Sync Processing .......................................................................... 49 Single-Ended Input Network .................................................... 13 VBI Data Decode ....................................................................... 49 2 Differential Input Network ....................................................... 13 I C Readback Registers .............................................................. 57 Short-to-Battery Protection Section ........................................ 13 ITU-R BT.656 Tx Configuration .................................................. 61 Analog Front End ........................................................................... 14 MPU Port Description ................................................................... 62 Input Configuration ................................................................... 14 Register Access ............................................................................ 63 Analog Input Muxing ................................................................ 14 Register Programming ............................................................... 63 2 Antialiasing Filters ..................................................................... 16 I C Sequencer .............................................................................. 63 2 Global Control Registers ............................................................... 17 I C Register Maps ........................................................................... 64 Power-Saving Modes .................................................................. 17 PCB Layout Recommendations .................................................... 94 Reset Control .............................................................................. 17 Analog Interface Inputs ............................................................. 94 Global Pin Control ..................................................................... 17 Power Supply Decoupling ......................................................... 94 Global Status Register .................................................................... 19 VREFN and VREFP ................................................................... 94 Identification ............................................................................... 19 Digital Outputs (Both Data and Clocks) ................................ 94 Status 1 ......................................................................................... 19 Digital Inputs .............................................................................. 94 Status 2 ......................................................................................... 19 Typical Circuit Connection ........................................................... 95 Status 3 ......................................................................................... 19 Outline Dimensions ....................................................................... 96 Autodetection Result .................................................................. 19 Ordering Guide .......................................................................... 96 Video Processor .............................................................................. 20 Automotive Products ................................................................. 96 Rev. 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