
SLES135E
– FEBRUARY 2005 – REVISED APRIL 2011
Contents
1
Introduction
........................................................................................................................ 9 1.1
Features
......................................................................................................................
91.2
Applications
..................................................................................................................
91.3
Description
...................................................................................................................
91.4
Related Products
..........................................................................................................
121.5
Trademarks
.................................................................................................................
121.6
Document Conventions
...................................................................................................
121.7
Ordering Information
......................................................................................................
121.8
Functional Block Diagram
................................................................................................
131.9
Terminal Assignments
....................................................................................................
142
Functional Description
....................................................................................................... 17 2.1
Analog Processing and A/D Converters
................................................................................
172.1.1
Video Input Switch Control
....................................................................................
182.1.2
480p and 576p Component YPbPr
...........................................................................
182.1.3
Analog Input Clamping
.........................................................................................
182.1.4
Automatic Gain Control
........................................................................................
182.1.5
Analog Video Output
...........................................................................................
182.1.6
A/D Converters
..................................................................................................
192.2
Digital Video Processing
..................................................................................................
192.2.1
2x Decimation Filter
............................................................................................
192.2.2
Composite Processor
..........................................................................................
192.2.3
Color Low-Pass Filter
..........................................................................................
192.2.4
Y/C Separation
..................................................................................................
202.2.5
3D Frame Recursive Noise Reduction
.......................................................................
202.2.6
Time Base Corrector
...........................................................................................
202.2.7
IF Compensation
...............................................................................................
202.2.8
Luminance Processing
.........................................................................................
212.2.9
Color Transient Improvement
.................................................................................
212.3
Clock Circuits
..............................................................................................................
222.4
Real-Time Control (RTC)
.................................................................................................
222.5
Output Formatter
..........................................................................................................
232.6
Fast Switches for SCART and Digital Overlay
........................................................................
242.7
Discrete Syncs
.............................................................................................................
262.8
Embedded Syncs
..........................................................................................................
312.9
I
2C Host Interface
..........................................................................................................
322.9.1
Reset and I
2C Bus Address Selection
.......................................................................
322.9.2
I
2C Operation
....................................................................................................
332.9.3
VBUS Access
...................................................................................................
332.9.3.1
VBUS Write
.........................................................................................
342.9.3.2
VBUS Read
.........................................................................................
342.10
VBI Data Processor
.......................................................................................................
342.10.1
VBI FIFO and Ancillary Data in Video Stream
..............................................................
352.10.2
VBI Raw Data Out
..............................................................................................
362.11
Powerup, Reset, and Initialization
.......................................................................................
362.12
Adjusting External Syncs
.................................................................................................
372
Contents
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2005–2011, Texas Instruments Incorporated