參數(shù)資料
型號: ADV7343
廠商: Analog Devices, Inc.
英文描述: Multiformat Video Encoder Six, 11-Bit, 297 MHz DACs
中文描述: 六多格式視頻編碼器,11位,297兆赫數(shù)模轉(zhuǎn)換器
文件頁數(shù): 78/88頁
文件大小: 1053K
代理商: ADV7343
ADV7342/ADV7343
Rev. 0 | Page 78 of 88
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DISPLAY
DISPLAY
VERTICAL BLANK
ODD FIELD
EVEN FIELD
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ODD FIELD
EVEN FIELD
DISPLAY
DISPLAY
VERTICAL BLANK
5
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2
1
8
HSYNC
VSYNC
HSYNC
VSYNC
0
Figure 107. SD Slave Mode 2, NTSC
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DISPLAY
VERTICAL BLANK
ODD FIELD
EVEN FIELD
DISPLAY
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DISPLAY
VERTICAL BLANK
ODD FIELD
EVEN FIELD
DISPLAY
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HSYNC
VSYNC
HSYNC
VSYNC
0
Figure 108. SD Slave Mode 2, PAL
Mode 2—Master Option (Subaddress 0x8A = X X X X X 1 0 1)
In this mode, the ADV7342/ADV7343 can generate horizontal and vertical sync signals. A coincident low transition of both HSYNC and
VSYNC inputs indicates the start of an odd field.
A VSYNC low transition when HSYNC is high indicates the start of an even field. The ADV7342/ADV7343 automatically blank all
normally blank lines as per CCIR-624. HSYNC and VSYNC are output on the S_HSYNC and S_VSYNC pins, respectively.
Cb
Y
PIXEL
DATA
HSYNC
VSYNC
PAL = 132 × CLOCK/2
NTSC = 122 × CLOCK/2
Y
Cr
0
Figure 109. SD Timing Mode 2, Even-to-Odd Field Transition (Master/Slave)
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