1. Overall Project Objective: To design a chip for a SCUBA diver that does real-time calculations to warn the diver of safety concerns including decompressions sickness and lung overexpansion. ProDiver 525 Kavita Arora (M3-1) Lisa Gentry (M3-2) *Steven Wasik (M3-3) Karolina Werner (M3-4) Design Manager: Steven Beigelmacher M3 Stage: 1 Mar 04 Component Layout

2. M3: ProDiver 525 Status Specification definition (done) Specification definition (done) Architecture – Matlab & Verilog Simulation (done) Architecture – Matlab & Verilog Simulation (done) Gate level schematic & verification (done) Gate level schematic & verification (done) Layout (LVS) Layout (LVS) –Basic Components (done) –Components (done) –8 main modules (4 down, 4 to go) –Top module (not yet) Spice Simulation Spice Simulation –components (done) –8 main modules (3 down, 5 to go) Updated Floorplan (done) Updated Floorplan (done)

3. M3: ProDiver 525 The SCUBA Computer Inputs (25 bits) Inputs (25 bits) –Age –Age –Body Type –Water Temp –Water Temp –Depth (feet) –Depth (feet) –Clk –Rst Outputs (44 bits) Outputs (44 bits) –Pressure (feet) –Pressure (feet) The body’s equivalent pressure The body’s equivalent pressure –Safety Watch –Safety Watch Your safety level based on pressure Your safety level based on pressure –Ascension Watch Flashes a warning if you are ascending too quickly Flashes a warning if you are ascending too quickly –Bottom Time (minutes) –Bottom Time (minutes) Total time spent underwater, not including ascension Total time spent underwater, not including ascension –Time Left (minutes) –Time Left (minutes) The amount of time you can remain safely at your present depth The amount of time you can remain safely at your present depth –Time to Flight (minutes) –Time to Flight (minutes) The number of minutes before you can safely fly on a commercial plane The number of minutes before you can safely fly on a commercial plane –Max Depth (feet) –Max Depth (feet)

4. M3: ProDiver 525 Design Decisions More logic customization More logic customization –Combined adder25 with reg25 to reduce interconnect for pressure calculator –Customized reg17 for bottom time –Different customized reg17 for time to flight

5. M3: ProDiver 525 Top Level (210.8 x 182.1)

6. M3: ProDiver 525 Top Level

7. M3: ProDiver 525 Get K Dimensions: 37.89 x 36.63 Transistors: 441 Porosity: No M4 Inputs: Age, Body Type, Water Temp Water Temp Outputs: X, Y

8. M3: ProDiver 525 Get K

9. M3: ProDiver 525 Get K

10. M3: ProDiver 525 Safety Watch Dimensions: 35.15 x 26.55 Transistors: 320 Porosity: No M4 Inputs: Pressure Outputs: Safety Safety

11. M3: ProDiver 525 Pressure Calculator Dimensions: 165.38 x 65.97 Transistors: 3460 Porosity: Very little Inputs: Clk, rst, Depth, X, YOutputs: Pressure Pressure

12. M3: ProDiver 525 Pressure Calculator Just up to M1

13. M3: ProDiver 525 Pressure Calculator Just up to M2

14. M3: ProDiver 525 Pressure Calculator Just up to M3

15. M3: ProDiver 525 Bottom Time Dimensions: 71.42 x 42.66 Transistors: 1014 Porosity: Minimal M4 at Bottom right corner Inputs: Clk, rst, Depth utputs: Outputs:BottomTime<10:0>

16. M3: ProDiver 525 Bottom Time Just up to M1

17. M3: ProDiver 525 Bottom Time Just up to M2

18. M3: ProDiver 525 Bottom Time

19. M3: ProDiver 525 Max Depth Dimensions: 29.25 x 41.85 Transistors: Porosity: Two lines of M4 on the Bottom left corner Inputs: Clk, rst, depth Outputs:MaxDep<7:0>

20. M3: ProDiver 525 Max Depth

21. M3: ProDiver 525 Max Depth

22. M3: ProDiver 525 Ascension Watch Dimensions: 92.34 x 66.51 Transistors: 1588 Porosity: Scattered M4 (same as global inputs) Inputs: Clk, Rst, Depth Outputs:AscWatch

23. M3: ProDiver 525 Time to Flight Dimensions: 75.75 x 62.75 Transistors: 1452 Porosity: Not much Inputs: Clk, Rst, Pressure Outputs:TimeToFlight<10:0>

24. M3: ProDiver 525 Time to Flight Just up to M1

25. M3: ProDiver 525 Time to Flight Just up to M2

26. M3: ProDiver 525 Time to Flight Just up to M3

27. M3: ProDiver 525 Time Left Dimensions: ? Transistors: 1794 Porosity: Not much needed Inputs: Clk, Rst, Depth, Pressure Outputs: TimeLeft TimeLeft