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参数资料
| 型号： | CH7009A |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Chrontel CH7009 DVI / TV Output Device |
| 中文描述： | 昆泰CH7009和DVI / TV输出设备 |
| 文件页数： | 8/46页 |
| 文件大小： | 580K |
| 代理商： | CH7009A |
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CHRONTEL
TV Output
CH7009A
8
201-0000-035 Rev 1.1, 5/8/2000
In TV Output mode, multiplexed input data, sync and clock signals are input to the CH7009 from the graphics
controllers digital output port. A P-OUT clock can be output as a frequency reference to the graphics
controller,
which is recommended to ensure accurate frequency generation. Horizontal and vertical sync
signals are normally sent to the CH7009 from the graphics controller
, but can be output to the graphics
controller as an option. This method should not be used for pixel frequencies above 50 MHz. Data will be 2X
multiplexed, and the XCLK clock signal can be 1X or 2X times the pixel rate. The input data will be encoded
into the selected video standard, and output from the video DAC’s. The modes supported for TV output are
shown in the table below, and a block diagram of the CH7009 is shown on the following page. In the block
diagram, all blocks are shown. Those blocks which are non-active are shown as shaded. The clock and data
paths which are in use are highlighted.
1
These DVD modes operate with interlaced input, scan conversion and flicker filter are bypassed
2
These DVD modes operate with non-interlaced input, scan conversion is not bypassed
Table 3: TV Output Modes
Graphics
Active Aspect
Resolution
512x384
512x384
720x400
720x400
640x400
640x400
640x480
640x480
720x480
1
720x480
2
720x576
1
720x576
2
800x600
800x600
1024x768
1024x768
Ratio
4:3
4:3
4:3
4:3
8:5
8:5
4:3
4:3
4:3
4:3
4:3
4:3
4:3
4:3
4:3
4:3
Pixel Aspect
Ratio
1:1
1:1
1.35:1.00
1.35:1.00
1:1
1:1
1:1
1:1
9:8
9:8
15:12
15:12
1:1
1:1
1:1
1:1
TV Output Stan-
dard
PAL
NTSC
PAL
NTSC
PAL
NTSC
PAL
NTSC
NTSC
NTSC
PAL
PAL
PAL
NTSC
PAL
NTSC
Scaling Ratios
5/4, 1/1
5/4, 1/1
5/4, 1/1
5/4, 1/1
5/4, 1/1
5/4, 1/1, 7/8
5/4, 1/1, 5/6
1/1, 7/8, 5/6
1/1
1/1, 7/8, 5/6
1/1
1/1, 5/6, 5/7
1/1, 5/6, 5/7
3/4, 7/10, 5/8
5/7, 5/8, 5/9
5/8, 5/9, 1/2
相关PDF资料 |
PDF描述 |
|---|---|
| CH7009A-T | Chrontel CH7009 DVI / TV Output Device |
| CH7303 | Chrontel CH7303 HDTV / DVI Encoder |
| CH8398A | TRUE-COLOR CHRONDAC WITH 16-BIT INTERFACE |
| CHF1206CNT | 20 W Power RF Chip Termination |
| CHF1206CNT500LY | 20 W Power RF Chip Termination |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CH7009A-T | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Chrontel CH7009 DVI / TV Output Device |
| CH7011A-T | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Consumer IC |
| CH7012 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Chrontel CH7012 TV Output Device |
| CH7012A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Chrontel CH7012 TV Output Device |
| CH7012A-T | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Chrontel CH7012 TV Output Device |
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