1. Embedded Systems Design and Development

2. fig_09_00
Embedded systems:
Market AND Technology
fig_09_00

3. fig_09_01 Embedded systems: Market AND Technology—
Who sees what aspect of the problem?
fig_09_01

4. fig_09_05 Embedded systems: Process “overview”— The product life cycle

5. fig_09_06 Some common process models (others given previously)

6. fig_09_07
“hockey stick model”—cost of addressing reliability at various stages in development
Cost
time when reliability is addressed
fig_09_07

7. table_09_00
Design: Coupling / cohesion (of modules)—ease of modification
5 = “best”
table_09_00

8. fig_09_08
Waterfall model
fig_09_08

9. fig_09_09
V cycle model
fig_09_09

10. Spiral model
fig_09_10
fig_09_10

11. fig_09_11
Spiral model process steps
fig_09_11

12. fig_09_12
“Rapid prototyping”
NOT a FINAL PRODUCT!
fig_09_12

13. fig_09_13
Design process
fig_09_13

14. fig_09_14 requirements specifications Requirements definition

15. fig_09_15
Step 0
fig_09_15

16. fig_09_16
Step 1
fig_09_16

17. fig_09_17
Step 2: example (counter)
fig_09_17

18. figun_09_01
Counter example--continued
figun_09_01

19. Counter example--continued
figun_09_02
figun_09_02

20. Counter example--continued
figun_09_03
figun_09_03

21. figun_09_04
Counter example--continued
figun_09_04

22. Counter example--continued
figun_09_08
figun_09_08

23. Counter example--continued
figun_09_09
figun_09_09

24. figun_09_10
Counter example--continued
figun_09_10

25. figun_09_11
Counter example--continued
figun_09_11

26. figun_09_12
Counter example--continued
figun_09_12

27. figun_09_13
Counter example--continued
figun_09_13

28. fig_09_18 System: component level Example specification: pages 363-366

29. fig_09_20
Cohesion: inputs and outputs
fig_09_20

30. fig_09_21
fig_09_21

31. fig_09_22 Counter system: hierarchical decomposition (one possibility)

32. Counter: environment interface
fig_09_23
fig_09_23

33. fig_09_24
Counter: functional decomposition
fig_09_24

34. fig_09_25
Hardware / software continuum
fig_09_25

35. fig_09_26 Counter: hardware architecture (architectural model)

36. Counter: (functional model)
fig_09_27
fig_09_27