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參數(shù)資料
| 型號： | AD9983AKSTZ-140 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 其它接口 |
| 英文描述： | High Performance 8-Bit Display Interface |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, PQFP80 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MS-026BEC, LQFP-80 |
| 文件頁數(shù)： | 18/44頁 |
| 文件大?。?/td> | 470K |
| 代理商： | AD9983AKSTZ-140 |
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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PDF資料 |
PDF描述 |
|---|---|
| AD9983AKSTZ-1401 | High Performance 8-Bit Display Interface |
| AD9983AKSTZ-170 | High Performance 8-Bit Display Interface |
| AD9983AKSTZ-1701 | High Performance 8-Bit Display Interface |
| AD9983A | High Performance 8-Bit Display Interface |
| AD9983AKCPZ-140 | High Performance 8-Bit Display Interface |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD9983AKSTZ-1401 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Performance 8-Bit Display Interface |
| AD9983AKSTZ-170 | 功能描述:IC DISPLAY 8BIT 170MSPS 80LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 特色產品:NXP - I2C Interface 標準包裝:1 系列:- 應用:2 通道 I²C 多路復用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產品目錄頁面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1 |
| AD9983AKSTZ-1701 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Performance 8-Bit Display Interface |
| 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: |
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