用户手册 — Focus Enhancements FS453

目录

• Document Overview

  3
• Introduction

  4
  • General Description

    4
  • How does it work?

    4
    • SDTV Output

      4
    • HDTV Output

      4
    • VGA (RGB) Output

      4
  • General Physical Requirements

    4
• Architectural Overview

  5
  • Inputs

    5
    • Input to Output Conversion Matrix

      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
• Technical Highlights

  9
  • Scaling

    9
    • Video Scaler Challenges

      9
    • FS453 Solution

      9
  • Flicker Reduction

    10
    • Flicker Filter Challenges

      10
    • FS453 Solution

      10
  • Video Encoding

    11
    • Encoding Challenges

      11
    • FS453 Solution

      11
• Scaling and Positioning Notes

  12
  • Vertical Scaling

    12
  • Horizontal Scaling

    13
  • Vertical and Horizontal Position

    13
• Pin Assignments

  14
  • FS453  GCC Pin Mapping

    16
  • Pin Descriptions

    17
• Control Register Function Map

  21
  • Register Reference Table

    21
• Specifications

  24
  • Absolute Maximum and Recommended Ratings

    24
  • Electrical Characteristics

    25
  • Switching Characteristics

    27
• Mechanical Dimensions

  28
  • 80-Lead PQFP Package

    28
  • 88-Lead FBGA Package

    29
• Component Placement

  30
  • Power/Ground

    30
    • Power

      30
    • Ground

      31
      • Special Consideration:

        31
  • DIGITAL SIGNALS

    31
    • Digital Signal Routing

      31
    • Video Inputs

      32
  • ANALOG SIGNALS

    32
    • Video Output Filters

      32
      • Analog Signal Interconnect

        32
      • Suggested Output Filter Network

        33
  • CLOCK/OSCILLATOR

    34
    • Reference Crystal Oscillator

      34
    • FS453 Pixel Clock

      34
    • Pixel Clock Mode

      35
      • Pseudo-master Mode

        36
      • Slave Mode

        36
  • EMI Case Study

    37
  • Solder Re-flow Profiles

    38
• Revision History

  40
• Order Information

  41