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FS454
Focus FS454 Manuals
Manuals and User Guides for Focus FS454. We have
1
Focus FS454 manual available for free PDF download: Datasheet
Focus FS454 Datasheet (41 pages)
PC-to-TV Video Scan Converter
Brand:
Focus
| Category:
Media Converter
| Size: 0.75 MB
Table of Contents
Table of Contents
2
Document Overview
3
1 Introduction
4
General Description
4
How Does It Work
4
SDTV Output
4
HDTV Output
4
VGA (RGB) Output
4
General Physical Requirements
4
2 Architectural Overview
5
Inputs
5
Figure 1: FS453 Functional Block Diagram
5
Input to Output Conversion Matrix6
6
Color Space Converter
6
Patented 2D Scaler
6
Patented 2D Flicker Filter
7
Fifo
7
Post (Horizontal Up) Scaler
7
Encoder and Inverse Color Space
7
Bi and Tri-Level Sync Insertion (HDTV)
7
Configurable 10 Bit Dacs
7
Clock Management
7
Oscillators and PLL
7
Serial Control Interface
8
Sync Timing Generator
8
Input Synchronization
8
3 Technical Highlights
9
Scaling
9
Video Scaler Challenges
9
FS453 Solution
9
Figure 2: FS453 Scaler Luma Frequency Response
9
Flicker Reduction
10
Flicker Filter Challenges
10
FS453 Solution
10
Figure 3: FS453 Flicker Filter Diagonal Response
10
Video Encoding
11
Encoding Challenges
11
FS453 Solution
11
4 Scaling and Positioning Notes
12
Vertical Scaling
12
Figure 4: Equations for VTOTAL and VSC
12
Figure 5: VTOTAL and VACTIVE Ratios Must Match
12
Horizontal Scaling
13
Vertical and Horizontal Position
13
Figure 6: HSC Equations
13
5 Pin Assignments
14
Figure 7: PQFP Pin Diagram
14
Table 2: FS453 PQFP Pin Assignments
14
Figure 8 FBGA Pin Diagram
15
FS453 ⇔ GCC Pin Mapping
16
Pin Descriptions
17
Table 4: FS453 Pin Descriptions
20
6 Control Register Function Map
21
Register Reference Table
21
Table 5: Register Reference Table
23
7 Specifications
24
Absolute Maximum and Recommended Ratings
24
Table 6: Absolute Maximum and Recommended Ratings
24
Electrical Characteristics
25
Table 7: Electrical Characteristics
26
Switching Characteristics
27
Table 8: Switching Characteristics
27
8 Mechanical Dimensions
28
80-Lead PQFP Package
28
Figure 9: PQFP Package Outline & Dimensions
28
Table 9: Package Dimensions
28
88-Lead FBGA Package
29
Figure 10 FBGA Package Outline & Dimensions
29
9 Component Placement
30
Power/Ground
30
Power
30
Ground
31
Digital Signals
31
Digital Signal Routing
31
Figure 11: Recommended Power Filter Networks
31
Video Inputs
32
Analog Signals
32
Video Output Filters
32
Figure 12: Recommended Output Filter
33
Clock/Oscillator
34
Reference Crystal Oscillator
34
FS453 Pixel Clock
34
Table 10: Output Filter Component Values
34
Pixel Clock Mode
35
Figure 13: Pixel Clock Pseudo-Master Mode
36
Figure 14: Pixel Clock Slave Mode
36
EMI Case Study
37
Solder Re-Flow Profiles
38
Figure 15 PQFP Package (Lead Solder)
38
Figure 16 FBGA Package (Lead Solder)
39
Figure 17 PQFP or FBGA Package (Lead-Free Solder)
39
10 Revision History
40
11 Order Information
41
Solder)
41
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