參數(shù)資料
型號(hào): ADV7171SU
廠商: ANALOG DEVICES INC
元件分類(lèi): 顏色信號(hào)轉(zhuǎn)換
英文描述: Digital PAL/NTSC Video Encoder with 10-Bit SSAF⑩ and Advanced Power Management
中文描述: COLOR SIGNAL ENCODER, PQFP44
封裝: PLASTIC, TQFP-44
文件頁(yè)數(shù): 54/55頁(yè)
文件大小: 754K
代理商: ADV7171SU
ADV7170/ADV7171
–54–
REV. 0
INDEX
Contents
FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
FUNCTIONAL BLOCK DIAGRAM . . . . . . . . . . . . . . . . 1
ADV7170/ADV7171 SPECIFICATIONS . . . . . . . . . . . . . 2
DYNAMIC SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . 4
TIMING SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . 5
ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . 8
ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PIN CONFIGURATIONS . . . . . . . . . . . . . . . . . . . . . . . . . 8
PIN FUNCTION DESCRIPTIONS . . . . . . . . . . . . . . . . . 9
GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . 10
DATA PATH DESCRIPTION . . . . . . . . . . . . . . . . . . . . . 10
INTERNAL FILTER RESPONSE . . . . . . . . . . . . . . . . . . . 10
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
OUTPUT VIDEO TIMING . . . . . . . . . . . . . . . . . . . . . . . . 21
POWER-ON RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
MPU PORT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . 21
REGISTER ACCESSES . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
REGISTER PROGRAMMING . . . . . . . . . . . . . . . . . . . . . 22
MODE REGISTER 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
MODE REGISTER 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
MODE REGISTER 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
MODE REGISTER 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
MODE REGISTER 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
TIMING REGISTER 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
TIMING REGISTER 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
SUBCARRIER FREQUENCY REGISTER 3–0 . . . . . . . . 28
SUBCARRIER PHASE REGISTER . . . . . . . . . . . . . . . . . . 28
CLOSED CAPTIONING EVEN FIELD . . . . . . . . . . . . . . 28
CLOSED CAPTIONING ODD FIELD . . . . . . . . . . . . . . 28
NTSC PEDESTAL/PAL TELETEXT
CONTROL REGISTERS 3–0 . . . . . . . . . . . . . . . . . . . . . 28
TELETEXT CONTROL REGISTER TC07 . . . . . . . . . . . 28
APPENDIX 1. BOARD DESIGN AND
LAYOUT CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 30
APPENDIX 2. CLOSED CAPTIONING . . . . . . . . . . . . . 32
APPENDIX 3. COPY GENERATION MANAGEMENT
SYSTEMS (CGMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
APPENDIX 4. WIDE SCREEN SIGNALING . . . . . . . . . 34
APPENDIX 5. TELETEXT INSERTION . . . . . . . . . . . . 35
APPENDIX 6.
NTSC WAVEFORMS (WITH PEDESTAL) . . . . . . . . . 36
NTSC WAVEFORMS (WITHOUT PEDESTAL) . . . . . 37
PAL WAVEFORMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
UV WAVEFORMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
APPENDIX 7. OPTIONAL OUTPUT FILTER . . . . . . . . 40
APPENDIX 8. OPTIONAL DAC BUFFERING . . . . . . . 41
APPENDIX 9. RECOMMENDED REGISTER
VALUES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
APPENDIX 10. OUTPUT WAVEFORMS . . . . . . . . . . . . 44
OUTLINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . 55
Page No.
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