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ADV7175A Datasheet(PDF) 49 Page - Analog Devices

Part # ADV7175A
Description  High Quality, 10-Bit, Digital CCIR-601 to PAL/NTSC Video Encoder
PDF  52 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADV7175A Datasheet(HTML) 49 Page - Analog Devices

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ADV7175A/ADV7176A
–49–
REV. B
INDEX
Contents
Page No.
GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . 1
ADV7175A/ADV7176A SPECIFICATIONS . . . . . . . . . . . 2
TIMING SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . 6
ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . 9
ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PIN CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PIN FUNCTION DESCRIPTIONS . . . . . . . . . . . . . . . . 10
DATA PATH DESCRIPTION . . . . . . . . . . . . . . . . . . . . 11
INTERNAL FILTER RESPONSE . . . . . . . . . . . . . . . . . . 11
COLOR BAR GENERATION . . . . . . . . . . . . . . . . . . . . . 13
SQUARE PIXEL MODE . . . . . . . . . . . . . . . . . . . . . . . . . 13
COLOR SIGNAL CONTROL . . . . . . . . . . . . . . . . . . . . . 13
BURST SIGNAL CONTROL . . . . . . . . . . . . . . . . . . . . . 13
NTSC PEDESTAL CONTROL . . . . . . . . . . . . . . . . . . . . 13
PIXEL TIMING DESCRIPTION . . . . . . . . . . . . . . . . . . 13
SUBCARRIER RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
REAL TIME CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . 13
VIDEO TIMING DESCRIPTION . . . . . . . . . . . . . . . . . . 13
Timing Mode 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Timing Mode 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Timing Mode 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Timing Mode 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
OUTPUT VIDEO TIMING . . . . . . . . . . . . . . . . . . . . . . . 21
POWER-ON RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
MPU PORT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . 21
REGISTER ACCESSES . . . . . . . . . . . . . . . . . . . . . . . . . . 23
REGISTER PROGRAMMING . . . . . . . . . . . . . . . . . . . . 23
MODE REGISTER 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
MR0 BIT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . 23
Contents
Page No.
MODE REGISTER 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
MR1 BIT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . 24
SUBCARRIER FREQUENCY REGISTER . . . . . . . . . . . 24
SUBCARRIER PHASE REGISTER . . . . . . . . . . . . . . . . . 24
TIMING REGISTER 0 . . . . . . . . . . . . . . . . . . . . . . . . . . 24
TR0 BIT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . 24
CLOSED CAPTIONING EVEN FIELD . . . . . . . . . . . . . 25
CLOSED CAPTIONING ODD FIELD . . . . . . . . . . . . . 25
TIMING REGISTER 1 . . . . . . . . . . . . . . . . . . . . . . . . . . 25
TR1 BIT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . 25
MODE REGISTER 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
MR2 BIT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . 25
NTSC PEDESTAL/PAL TELETEXT CONTROL
REGISTERS 3–0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
MODE REGISTER 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
MR3 BIT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . 26
TELETEXT CONTROL REGISTER TC07 . . . . . . . . . . 27
APPENDIX 1. BOARD DESIGN AND LAYOUT
CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
APPENDIX 2. CLOSED CAPTIONING . . . . . . . . . . . . 30
APPENDIX 3. TELETEXT INSERTION . . . . . . . . . . . 31
APPENDIX 4. WAVEFORMS . . . . . . . . . . . . . . . . . . . . 32
APPENDIX 5. REGISTER VALUES . . . . . . . . . . . . . . . 36
APPENDIX 6. OPTIONAL OUTPUT FILTER . . . . . . . 37
APPENDIX 7. OPTIONAL DAC BUFFERING . . . . . . 38
APPENDIX 8. OUTPUT WAVEFORMS . . . . . . . . . . . . 39
OUTLINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . 50



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