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參數資料
| 型號： | FS450AC |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | i-Net TV Interface Video Processor |
| 中文描述： | 一至網絡電視接口視頻處理器 |
| 文件頁數： | 6/60頁 |
| 文件大?。?/td> | 266K |
| 代理商： | FS450AC |
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FS450, FS451
PRELIMINARY PRODUCT DESCRIPTION
JUNE, 2000, VERSION 1.2
6
COPYRIGHT
ó
1999, 2000 FOCUS ENHANCEMENTS, INC.
PRELIMINARY INFORMATION
2.2 Serial Control Port
FS450 setup is programmed by registers that are accessible via the I
2
C
compatible serial port (SIO).
Status and Revision ID can also be read from the registers.
Note: I
2
C is a registered trademark of Philips Corporation. The FS450 SIO bus is similar but not identical
to Philips I
2
C bus.
2.3 Sync Control
The FS450 operates in a slave mode, pseudo-master mode or full master mode. In pseudo-master mode,
the GCC graphic controller derives the VGA pixel clock, horizontal sync, and vertical sync from
VGA_CLKOUT supplied by the FS450. The syncs are used inside the FS450 to capture the computer video
and are regenerated to supply to external devices such as genlocked video from a DVD player or tuner. In
full master mode, the FS450 supplies to the GCC horizontal and vertical sync in addition to the VGA pixel
clock.
2.4 Input and Output Frame Formats
The FS450 does not contain a frame memory. Therefore, the FS450 output frame rate must be
synchronous to the input frame rate. To accomplish this, the active video portion in the output stream must
overlay the corresponding active video time in the input stream. Several registers on the FS450 control this
timing as illustrated in the following figures:
VGA_HSYNC
IHO
VGA_VSYNC
A
IVO
Blank
Blank
C
Blank
Black
B
IHO + IHW
Blank
Blank
Blank
Black
Blank
Black
D
IVO + IVW
Blank
Black
Active Video
Black
Blank
Blank
Blank
Black
Blank
Black
Blank
Black
Blank
Blank
Blank
Figure 3: GCC Frame Format
IHO = OHO / Hscale
IHW = OHW / Hscale
IVO = OVO / Vscale
IVW = OVW / Vscale
The output frame timing is determined by the CCIR601 and 656 specifications. Input parameters IHO, IVO,
and IHW must be set correctly so that when the image is scaled to the 656 output frame, the timing
requirements are met. Parameters A, B, C, and D are determined by the amount of underscan the user
wants on the target television screen.
相關PDF資料 |
PDF描述 |
|---|---|
| FS451 | i-Net TV Interface Video Processor |
| FS451AC | i-Net TV Interface Video Processor |
| FS6011-02 | DIGITAL AUDIO/VIDEO CLOCK GENERATOR IC |
| FS6118 | CLOCK GENERATOR IC |
| FS6118-01 | CLOCK GENERATOR IC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FS450R120E4P | 制造商:Infineon Technologies AG 功能描述: |
| FS450R12KE3 | 功能描述:IGBT 模塊 1200V 450A 3-PHASE RoHS:否 制造商:Infineon Technologies 產品:IGBT Silicon Modules 配置:Dual 集電極—發(fā)射極最大電壓 VCEO:600 V 集電極—射極飽和電壓:1.95 V 在25 C的連續(xù)集電極電流:230 A 柵極—射極漏泄電流:400 nA 功率耗散:445 W 最大工作溫度:+ 125 C 封裝 / 箱體:34MM 封裝: |
| FS450R12KE3_S1 | 制造商:Infineon Technologies AG 功能描述: |
| FS450R12KE4 | 功能描述:分立半導體模塊 1200V 450A IGBT4 RoHS:否 制造商:Infineon Technologies 產品:Thyristor Power Modules 類型:Phase Controls 安裝風格:Screw 封裝 / 箱體:DT61 封裝: |
| FS450R12OE4 | 制造商:Infineon Technologies AG 功能描述:IGBT Module 450A 1200V |
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