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參數(shù)資料
| 型號(hào)： | ZR36504 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Video & Audio Interface solution via USB |
| 中文描述： | 視頻 |
| 文件頁(yè)數(shù)： | 27/74頁(yè) |
| 文件大?。?/td> | 298K |
| 代理商： | ZR36504 |
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ZORAN Corporation
USBvision II Data Decoder
ZR36505 Data Sheet
November-99
Page 27 of 27
4.
Video Input Interface
The ZR36504 digital video input is YUV format. The ZR36504 interface for this format is
flexible and supports 4:4:4 (24-bit) as well as 4:2:2 (8-bit, or 16-bit), and 4:1:1 timings (12-
bit). Horizontal and Vertical controls can be physical pulses or coded signals; Also, Pixel
Clock and pulse polarity of control signals can be programmed to be either positive or
negative.
All the input buffers in the ZR36504 that are supposed to be connected to the digital video
source are 5-volt tolerant. This means that a camera that has 5-volt CMOS outputs will not
cause any damage to the ZR36504, even though the ZR36504 operating voltage is 3.3
volts.
The ZR36504 digital video input consists of the following signals:
Y0-Y7
In the 4:4:4 format (24-bit), 4:2:2 16-bit, and 4:1:1 (12-bit) modes, this is the Luminance
input bus. In the 4:2:2 8-bit mode, this bus is used for mux YUV data. This bus is sampled
by the VCLK input clock for the unsigned binary value (0-255) of the Y component (or U
and V as well in the 8-bit mode).
U0-U7
This is the Color (U or U/V) input bus. In the 4:4:4 format (24-bit), This bus is sampled by
the VCLK input clock for the unsigned binary value (0-255) of the U component. In the
4:2:2 16-bit and 4:1:1 (12-bit) formats, this bus is sampled by the even cycles of VCLK
input clock for the binary value (0-255) of the U component, and by the odd cycles of
VCLK input clock for the binary value (0-255) of the V component.
V0-V7
This is the Color (V) input bus, which is used in the 4:4:4 format only. This bus is sampled
by the VCLK input clock for the binary value (0-255) of the V component. In the 4:2:2
mode (16-bit or 8-bit) and the 4:1:1 mode (12-bit), most of this bus is ignored by the
ZR36504 - only V7 is used as an optional U/V identifier.
VSNC
This is the Vertical Synchronization pulse, which indicates the start of a new video field (in
Interlace mode) or the start of a new video frame (in Non-Interlace mode). Normally this
pulse is negative.
HSNC
This is the Horizontal Synchronization pulse, which indicates the start of a new video line.
Normally this pulse is negative.
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| ZR36730 | 制造商:ZORAN 制造商全稱:ZORAN 功能描述:INTEGRATED DVD DECODER |
| ZR36750 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Vaddis 5 (ZR36750) Product Brief |
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