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參數(shù)資料
| 型號： | TMC2490 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Digital Video Encoders(數(shù)字視頻編碼器) |
| 中文描述： | 數(shù)字視頻編碼器（數(shù)字視頻編碼器） |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 173K |
| 代理商： | TMC2490 |
www.fairchildsemi.com
Features
Parallel CCIR-656-format ECL input
Multiple video formats
NTSC, NTSC-EIA (Japan)
PAL-B,G,I, PAL-M, PAL-N
Composite and S-Video outputs
Built-in test patterns
Color bars – TMC22091
Modulated ramp – TMC22091, TMC2490
No external components required
Serial interface to control TMC2490
Master mode port to control TMC2490
Applications
Evaluation of TMC22091 and TMC2490 digital encoders
System breadboarding
Encoder control program development
Description
The TMC2063P7C encoder demonstration board converts
8-bit parallel digital component video, (CCIR Rec. 656 or
ANSI/SMPTE 125M, a.k.a. “601”) into analog composite
video using the TMC22091 and TMC2490 digital video
encoders. The board supports multiple standards, operating
in PAL, PAL-M, NTSC, and NTSC-EIA (zero setup)
television formats.
A 27 MHz crystal oscillator is provided for cases where a
CCIR-601 source is not available. When operated from the
on-board oscillator, only the internally generated color bars
and modulated ramp can be produced from the TMC22091.
The TMC2063 is designed to demonstrate the performance
of the TMC22091 and TMC2490 Digital Video Encoders,
while providing a convenient testbed for developing specific
programming for the encoder and evaluating the resulting
waveforms. It also offers an example of design practices that
result in high-quality video performance.
The board supports multiple standards, operating in PAL,
PAL-M, NTSC, and NTSC-EIA (zero setup) television for-
mats. The data must be provided with the proper frame rate,
but any supported 50Hz format may be produced with the
supplied programs.
Block Diagram
TMC2490
SERIAL PORT
PXCK
DIGITAL
INPUT
+5V
0V
-5V
E2
H
V
Y
C
E
T
DIGITAL
VIDEO
ENCODER
LMB
UMB
65-2063-01
27 MHZ
OSC
LP FILTER
LP FILTER
LP FILTER
TMC22091
DIGITAL
VIDEO
ENCODER
LP FILTER
LP FILTER
LP FILTER
TMC2490
PROGRAMMER
TMC22091
S-VIDEO OUTPUT
CHROMINANCE OUTPUT
LUMINANCE OUTPUT
COMPOSITE OUTPUT
CHROMINANCE OUTPUT
LUMINANCE OUTPUT
COMPOSITE OUTPUT
HEX SWITCH FOR
PATTERN SELECT
PAL/NTSC SELECT
SOFTWARE RESET
S-VIDEO OUTPUT
H & V
TIMING
EXTRACT
AND
DATA
DEMUX
T MC2063
Demonstration Board for the T MC22091 and
T MC2490 Digital Video Enc oders
Rev 1.0.2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| TMC2490A | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:Multistandard Digital Video Encoder |
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| TMC2490AR2CT | 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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| TMC249-A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High Current Microstep Stepper Motor Driver with Sensorless Stall D e t e c t i o n ,P rotection / Diagnosis and SPI Interface |
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