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Sumant Diwakar
Sumant Diwakar
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Introduction ,[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Definition ,[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Embedding a computer © 2008 Wayne Wolf Overheads for Computers as Components CPU mem input output analog analog embedded computer
Examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Early history ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Early history, cont’d. ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Microprocessor varieties ,[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Application examples ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Automotive embedded systems ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
BMW 850i brake and stability control system ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
BMW 850i, cont’d. © 2008 Wayne Wolf Overheads for Computers as Components brake sensor brake sensor brake sensor brake sensor ABS hydraulic pump
Characteristics of embedded systems ,[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components
Functional complexity ,[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components
Real-time operation ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components
Non-functional requirements ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components
Design teams ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Why use microprocessors? ,[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
The performance paradox ,[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Power ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Platforms ,[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
The physics of software ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
What does “performance” mean? ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Characterizing performance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Challenges in embedded system design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Challenges, etc. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Design methodologies ,[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Design goals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Levels of abstraction © 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed. requirements specification architecture component design system integration
Top-down vs. bottom-up ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Stepwise refinement ,[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Requirements ,[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Functional vs. non-functional requirements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Our requirements form © 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Example: GPS moving map requirements ,[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed. lat: 40 13 lon: 32 19 I-78 Scotch Road
GPS moving map needs ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
GPS moving map needs, cont’d. ,[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
GPS moving map requirements form © 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Specification ,[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
GPS specification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Architecture design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
GPS moving map block diagram © 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed. GPS receiver search engine renderer user interface database display
GPS moving map hardware architecture © 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed. GPS receiver CPU panel I/O display frame buffer memory
GPS moving map software architecture © 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed. position database search renderer timer user interface pixels
Designing hardware and software components ,[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
System integration ,[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
Summary ,[object Object],[object Object],[object Object],[object Object],© 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.

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Ch1 1

  • 1.
  • 2.
  • 3. Embedding a computer © 2008 Wayne Wolf Overheads for Computers as Components CPU mem input output analog analog embedded computer
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11. BMW 850i, cont’d. © 2008 Wayne Wolf Overheads for Computers as Components brake sensor brake sensor brake sensor brake sensor ABS hydraulic pump
  • 12.
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23.
  • 24.
  • 25.
  • 26.
  • 27.
  • 28. Levels of abstraction © 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed. requirements specification architecture component design system integration
  • 29.
  • 30.
  • 31.
  • 32.
  • 33. Our requirements form © 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
  • 34.
  • 35.
  • 36.
  • 37. GPS moving map requirements form © 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed.
  • 38.
  • 39.
  • 40.
  • 41. GPS moving map block diagram © 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed. GPS receiver search engine renderer user interface database display
  • 42. GPS moving map hardware architecture © 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed. GPS receiver CPU panel I/O display frame buffer memory
  • 43. GPS moving map software architecture © 2008 Wayne Wolf Overheads for Computers as Components, 2 nd ed. position database search renderer timer user interface pixels
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