FOCUS Enhancements FS453, FS454, FS455, FS456

FS453/4 AND FS455/6 DATA SHEET: HARDWARE REFERENCE

FOCUS Enhancements Semiconductor

Name FBGA

Number

PQFP

Number

Type/Value Pin Function Description

BLANK M11 38 GTL/TTL input Digital BLANK VGA input. True outside of

GCC active area. Connects to GCC blank pin

(or to ground if a GCC blank pin is not

available).

FIELD N10 37 GTL/TTL

output Digital FIELD output. Delay and polarity

programmable.

Contents

Main FS453/4 and FS455/6 PC-to-TV Video Scan Converter Data Sheet Guides ; The FS453/4 and FS455/6 Hardware Reference is for The FS453/4 and FS455/6 Software/Firmware Reference is for programmers. Table of Contents, Figures & Tables Document Overview 1. Introduction 1.1 General Description 1.2 How does it work? 1.2.1 SDTV Output 1.2.2 HDTV Output 2. Architectural Overview 2.1 Inputs 2.1.1 Input to Output Conversion Matrix 2.2 Color Space Converter 2.3 Patented 2D Scaler 2.4 Patented 2D Flicker Filter 2.5 FIFO 2.6 Post (Horizontal Up) Scaler 2.7 Encoder and Inverse Color Space 2.8 Bi and Tri-Level Sync Insertion (HDTV) 2.12 Serial Control Interface 2.13 Sync Timing Generator 2.14 Input Synchronization 3. Technical Highlights 3.1 Scaling 3.1.1 Video Scaler Challenges 3.1.2 FS453 Solution 3.2 Flicker Reduction 3.2.1 Flicker Filter Challenges 3.2.2 FS453 Solution 3.3 Video Encoding 3.3.1 Encoding Challenges 3.3.2 FS453 Solution 4. Scaling and Positioning Notes 4.1 Vertical Scaling Figure 5: VTOTAL and VACTIVE ratios must match 4.2 Horizontal Scaling 4.3 Vertical and Horizontal Position 5. Pin Assignments Pin Name Pin Name Pin Name Pin Name FS455/6 88 FBGA Bottom View Figure 8 FBGA Pin Diagram 5.1 FS453 GCC Pin Mapping 5.2 Pin Descriptions Page Page Page 6. Control Register Function Map 6.1 Register Reference Table Page Page 7. Specifications 7.1 Absolute Maximum and Recommended Ratings 7.2 Electrical Characteristics Page 7.3 Switching Characteristics 8. Mechanical Dimensions 8.1 80-Lead PQFP Package Page 9. Component Placement 9.1 Power/Ground 9.1.1 Power 9.1.2 Ground 9.2 DIGITAL SIGNALS 9.2.1 Digital Signal Routing 9.2.2 Video Inputs 9.3 ANALOG SIGNALS 9.3.1 Video Output Filters Page 9.4 CLOCK/OSCILLATOR 9.4.1 Reference Crystal Oscillator 9.4.2 FS453 Pixel Clock 9.4.3 Pixel Clock Mode GCC FS453 GCC 9.5 EMI Case Study 9.6 Solder Re-flow Profiles -flow Profile IR Re- IR Re IR Re -flow Profile IR Re- flow Profile 10. Revision History 11. Order Information Critical Applications Policy FOCUS Enhancements, Inc.