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TVP5146PFP Datasheet(PDF) 3 Page - Texas Instruments

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Part No. TVP5146PFP
Description  NTSC/PAL SECAM 4X10 BIT DIGITAL VIDEO DECODER WITH MACROVISION
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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 3 page
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iii
Contents
Section
Title
Page
1
Introduction
1−1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1
Detailed Functionality
1−2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2
Applications
1−3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3
Related Products
1−3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4
Ordering Information
1−3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5
Functional Block Diagram
1−4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6
Terminal Assignments
1−5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.7
Terminal Functions
1−6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Functional Description
2−1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1
Analog Processing and A/D Converters
2−1
. . . . . . . . . . . . . . . . . . . . . . . .
2.1.1
Video Input Switch Control
2−1
. . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1.2
Analog Input Clamping
2−2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1.3
Automatic Gain Control
2−2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1.4
A/D Converters
2−2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2
Digital Video Processing
2−2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.1
2x Decimation Filter
2−3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.2
Composite Processor
2−3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.2.1
Color Low-Pass Filter
2−4
. . . . . . . . . . . . . . . . . . . .
2.2.2.2
Y/C Separation
2−6
. . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.3
Luminance Processing
2−7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2.3.1
Color Transient Improvement
2−8
. . . . . . . . . . . . . .
2.2.4
Component Video Processor
2−8
. . . . . . . . . . . . . . . . . . . . . . . . .
2.2.5
Color Space Conversion
2−9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3
Clock Circuits
2−9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4
Genlock Control (GLCO) and Real-Time Control (RTC)
2−9
. . . . . . . . . . .
2.5
Output Formatter
2−10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.1
Fast Switches for SCART and Digital Overlay
2−12
. . . . . . . . . .
2.5.2
Separate Syncs
2−13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.3
Embedded Syncs
2−17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6
I2C Host Interface
2−17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6.1
Reset and I2C Bus Address Selection
2−18
. . . . . . . . . . . . . . . . .
2.6.2
I2C Operation
2−18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6.3
VBUS Access
2−18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6.4
I2C Timing Requirements
2−20
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.7
VBI Data Processor
2−20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.7.1
VBI FIFO and Ancillary Data in Video Stream
2−21
. . . . . . . . . . .
2.7.2
VBI Raw Data Output
2−22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .




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