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參數資料
| 型號： | ADV7174KCP |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| 中文描述： | COLOR SIGNAL ENCODER, QCC40 |
| 封裝： | 6 X 6 MM, MO-220VJJD-2, LFCSP-40 |
| 文件頁數： | 42/52頁 |
| 文件大小： | 488K |
| 代理商： | ADV7174KCP |
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ADV7174/ADV7179
APPENDIX 3—COPY GENERATION MANAGEMENT SYSTEM (CGMS)
The ADV7174/ADV7179 supports the CGMS, conforming to
the standard. CGMS data is transmitted on Line 20 of the odd
fields and on Line 283 of the even fields. Bits C/W05 and
C/W06 control whether or not CGMS data is output on odd
and even fields. CGMS data can only be transmitted when the
ADV7174/ ADV7179 is configured 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 57).
The bits are output from the configuration 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,
Rev. A | Page 42 of 52
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
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 ADV7174/ADV7179 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, all 20 bits (C0–C19) are directly
output from the CGMS registers (no CRC is calculated; it must
be calculated by the user).
FUNCTION OF CGMS BITS
Word 0 –6 Bits
Word 1 –4 Bits
Word 2 –4 Bits
CRC –6 Bits CRC Polynomial = X
6
+ X + 1 (Preset to 111111)
Table 21. Bit 1–Bit 14
Word
Bit
Word 0
B1
B2
B3
B4, B5, B6
Word 1
B7, B8, B9, B10
Word 2
B11, B12, B13, B14
Function
Aspect Ratio
Display Format
Undefined
Identification information about video and other signals, for example, audio
Identification signal incidental to Word 0
Identification signal and information incidental to Word 0
1
16:9
Letterbox
0
4:3
Normal
CRC SEQUENCE
11.2
μ
s
2.235
μ
s ± 20ns
49.1
μ
s ± 0.5
μ
s
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
0
Figure 57. CGMS Waveform Diagram
相關PDF資料 |
PDF描述 |
|---|---|
| ADV7174KCP-REEL | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7179 | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7179BCP | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7179BCP-REEL | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7179KCP | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADV7174KCP-REEL | 制造商:AD 制造商全稱:Analog Devices 功能描述:Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7174KCPZ-REEL | 功能描述:Video Encoder IC Digital Cameras, Mobile Phones, Portable Video 40-LFCSP-WQ (6x6) 制造商:analog devices inc. 系列:- 包裝:帶卷（TR） 零件狀態:有效 類型:視頻編碼器 應用:數碼相機，手機，便攜式視頻 電壓 - 電源，模擬:2.8 V，3.3 V 電壓 - 電源，數字:- 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤，CSP 供應商器件封裝:40-LFCSP-WQ（6x6） 標準包裝:2,500 |
| ADV7174WBCPZ | 功能描述:IC ENCODER NTSC/PAL VID 40LFCSP 制造商:analog devices inc. 系列:- 包裝:托盤 零件狀態:停產 類型:視頻編碼器 應用:數碼相機，手機，便攜式視頻 電壓 - 電源，模擬:2.8 V，3.3 V 電壓 - 電源，數字:- 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤，CSP 供應商器件封裝:40-LFCSP-WQ（6x6） 標準包裝:1 |
| ADV7174WBCPZ-REEL | 功能描述:Video Encoder IC Digital Cameras, Mobile Phones, Portable Video 40-LFCSP-WQ (6x6) 制造商:analog devices inc. 系列:- 包裝:帶卷（TR） 零件狀態:有效 類型:視頻編碼器 應用:數碼相機，手機，便攜式視頻 電壓 - 電源，模擬:2.8 V，3.3 V 電壓 - 電源，數字:- 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤，CSP 供應商器件封裝:40-LFCSP-WQ（6x6） 標準包裝:2,500 |
| ADV7175 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Integrated Digital CCIR-601 YCrCb to PAL/NTSC Video Encoder |
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