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參數資料
型號： ADV7192KST
廠商： ANALOG DEVICES INC
元件分類： 顏色信號轉換
英文描述： Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs
中文描述： COLOR SIGNAL ENCODER, PQFP80
封裝： LQFP-80
文件頁數： 48/69頁
文件大小： 664K
代理商： ADV7192KST
ADV7192
–48–
REV. 0
APPENDIX 3
COPY GENERATION MANAGEMENT SYSTEM (CGMS)
The ADV7192 supports Copy Generation Management System
(CGMS) conforming to the standard. CGMS data is transmitted
on Line 20 of the odd
fi
elds and Line 283 of even
fi
elds. Bits
C/W05 and C/W06 control whether or not CGMS data is outputed
on ODD and EVEN
fi
elds. CGMS data can only be transmitted
when the ADV7192 is con
fi
gured in NTSC mode. The CGMS
data is 20 bits long, the function of each of these bits is as shown
below. The CGMS data is preceded by a reference pulse of
the same amplitude and duration as a CGMS bit, see Figure 96.
These bits are outputed from the con
fi
guration registers in the
following order: C/W00 = C16, C/W01 = C17, C/W02 = C18,
C/W03 = C19, C/W10 = C8, C/W11 = C9, C/W12 = C10,
C/W13 = C11, C/W14 = C12, C/W15 = C13, C/W16 = C14,
C/W17 = C15, C/W20 = C0, C/W21 = C1, C/W22 = C2,
C/W23 = C3, C/W24 = C4, C/W25 = C5, C/W26 = C6,
C/W27 = C7. If the bit C/W04 is set to a Logic 1, the last six
bits C19
–
C14 which comprise the 6-bit CRC check sequence
are calculated automatically on the ADV7192 based on the
lower 14 bits (C0
–
C13) of the data in the data registers and
output with the remaining 14-bits to form the complete 20-bits
of the CGMS data. The calculation of the CRC sequence is
based on the polynomial X
6
+ X + 1 with a preset value of
111111. If C/W04 is set to a Logic 0 then all 20-bits (C0
–
C19)
are output directly from the CGMS registers (no CRC calcu-
lated, must be calculated by the user).
Function of CGMS Bits
Word 0
–
6 Bits
Word 1
–
4 Bits
Word 2
–
6 Bits
CRC
–
6 Bits
CRC Polynomial = X
6
+ X + 1 (Preset to
111111)
WORD 0
B1
B2
B3
1
16:9
Letterbox
0
4:3
Normal
Aspect Ratio
Display Format
Unde
fi
ned
WORD 0
B4, B5, B6
Identi
fi
cation Information About Video and
Other Signals (e.g., Audio)
WORD 1
B7, B8, B9,
B10
Identi
fi
cation Signal Incidental to Word 0
WORD 2
B11, B12,
B13, B14
Identi
fi
cation Signal and Information
Incidental to Word 0
CRC SEQUENCE
49.1 s
0.5 s
11.2 s
2.235 s
20ns
REF
C0
C1
C2
C3
C4
C5
C6
C7
C8
C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19
100 IRE
70 IRE
0 IRE
–40 IRE
Figure 97. CGMS Waveform Diagram
相關PDF資料
PDF描述
ADV7192 Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs
ADV7194KST Professional Extended-10⑩ Video Encoder with 54 MHz Oversampling
ADV7194 Professional Extended-10⑩ Video Encoder with 54 MHz Oversampling
ADV7202 Simultaneous Sampling Video Rate Codec
ADV7300A Multiformat SD, Progressive Scan/HDTV Video Encoder with Six NSV⑩ 12-Bit DACs
相關代理商/技術參數
參數描述
ADV7194 制造商:AD 制造商全稱:Analog Devices 功能描述:Professional Extended-10⑩ Video Encoder with 54 MHz Oversampling
ADV7194KST 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 80-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:PROFESSIONAL/HDTV NTSC/PAL ENCODER I.C. - Bulk 制造商:Analog Devices 功能描述:IC VIDEO ENCODER
ADV7194KSTZ 功能描述:IC ENCODER VIDEO EXT-10 80-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用:DVB-S.2 系統 電壓 - 電源，模擬:- 電壓 - 電源，數字:- 安裝類型:- 封裝/外殼:模塊 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799
ADV7194KSTZ 制造商:Analog Devices 功能描述:TV / Video IC
ADV7195 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs and 10-Bit Data Input
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