參數(shù)資料
型號(hào)： AD9983AKSTZ-1701
廠商： Analog Devices, Inc.
英文描述： High Performance 8-Bit Display Interface
中文描述： 高性能8位顯示接口
文件頁(yè)數(shù)： 18/44頁(yè)
文件大?。?/td> 470K
代理商： AD9983AKSTZ-1701
AD9983A
Preliminary Technical Data
Rev. PrA | Page 18 of 44
HSYNCOUT
VSYNC
FILTER
WINDOW
EXPECTED
EDGE
FILTER
WINDOW
EQUALIZATION
PULSES
HSYNCIN
0
Figure 11. Sync Processing Filter
Vsync Filter and Odd/Even Fields
The Vsync filter is used to eliminate spurious Vsyncs, maintain
a stable timing relationship between the Vsync and Hsync
output signals, and generate the odd/even field output.
The filter works by examining the placement of Vsync with
respect to Hsync and if necessary shifting it in time slightly.
The goal is to keep the Vsync and Hsync leading edges from
switching at the same time, thus eliminating confusion as to
when the first line of a frame occurs. Register 0x14, Bit 2
enables the Vsync filter. Use of the Vsync filter is recommended
for all cases, including interlaced video, and is required when
using the Hsyncs per Vsync counter. Figure 12 and Figure 13
illustrate even/odd field determination in two situations.
FIELD 1
FIELD 0
SYNC SEPARATOR THRESHOLD
FIELD 1
FIELD 0
2
3
2
1
4
4
3
1
HSYNCIN
VSYNCIN
VSYNCOUT
O/E FIELD
ODD FIELD
QUADRANT
0
Figure 12. Vsync Filter—Odd Field
FIELD 1
FIELD 0
SYNC SEPARATOR THRESHOLD
FIELD 1
FIELD 0
2
3
2
1
4
4
3
1
HSYNCIN
VSYNCIN
VSYNCOUT
O/E FIELD
EVEN FIELD
QUADRANT
0
Figure 13. Vsync Filter—Even Field
相關(guān)PDF資料
PDF描述
AD9983A High Performance 8-Bit Display Interface
AD9983AKCPZ-140 High Performance 8-Bit Display Interface
AD9983AKCPZ-1401 High Performance 8-Bit Display Interface
AD9983AKCPZ-170 High Performance 8-Bit Display Interface
AD9983AKCPZ-1701 High Performance 8-Bit Display Interface
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9983KSTZ-110 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:
AD9983KSTZ-140 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:
AD9983KSTZ-170 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述:
AD9984A 制造商:AD 制造商全稱:Analog Devices 功能描述:High Performance 10-Bit Display Interface
AD9984A/PCB 制造商:Analog Devices 功能描述:DISPLAY INTRFC - Bulk
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