Focus Enhancements FS453 データシート

The Hardware Reference provides information needed to integrate the FS453 Video Processor into 
system hardware.  The reference is divided into eight sections: 
 

1.  Introduction – explains the purpose and general flow of the FS453.  Begins on page 4. 
 
2.  Architectural Overview – defines the major sections of the FS453 and describes how they work 

together.  Begins on page 5.   

 

Highlights – explains technical challenges faced by scan converters, and explains 

how the FS453 accomplishes Scaling, Flicker Filtering, and Video Encoding.  Begins on page 9.   

4.  Scaling and Positioning Notes– provides more detailed information on how the FS453 

performs Scaling and Positioning.  Begins on page 12. 

5.  Pin Assignments – lists the pin names and maps their correspondence to sample host graphics 

controller chips.  Describes pin functions.  Begins on page 14. 

 

6.  Control Register Function Map – lists the Control Register functions and register numbers.  If 

you need more information about the Control Registers, please request a copy of the FS453/4 
and FS455/6 Software / Firmware Reference from your Focus Enhancements representative.  
The Control Register Function Map begins on page 21. 

 
7.  Specifications – provides information on the Absolute Maximum and Recommended Ratings, 

the Electrical Characteristics, and the Switching Characteristics.  Begins on page 24.   

8.  Mechanical Dimensions – describes the FS453's 80-lead PQFP and 88-lead FBGA packages.  

Begins on page 28. 

 

9.  Component Placement – gives guidelines for the placement and layout of components 

associated with the FS453.  Begins on page 30.  

 
 

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