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Group M3 Nick Marwaha Craig LeVan Jacob Thomas Darren Shultz Project Manager: Zachary Menegakis

Group M3 Nick Marwaha Craig LeVan Jacob Thomas Darren Shultz Project Manager: Zachary Menegakis. DSP 'Swiss Army Knife'. MILESTONE 7 Component Layout. February 28, 2005. Overall Project Objective: General Purpose Digital Signal Processing Chip. STATUS.

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Group M3 Nick Marwaha Craig LeVan Jacob Thomas Darren Shultz Project Manager: Zachary Menegakis

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  1. Group M3 Nick Marwaha Craig LeVan Jacob Thomas Darren Shultz Project Manager: Zachary Menegakis DSP 'Swiss Army Knife' MILESTONE 7 Component Layout February 28, 2005 Overall Project Objective: General Purpose Digital Signal Processing Chip

  2. STATUS • Design Proposal (Done) • Architecture (Done) • Size Estimates/Floorplan/Verilog (95%) • Gate Level Design (99%) • Component Layout (Done) • Functional Block (50%) • To Be Done • Complete layout of functional blocks • Wallace Tree Multiplier, etc. • Layout of Adder and div remain • Schematic • Make remaining adjustments for comb/Wallace • Top-level • Verification • Test adjusted blocks

  3. DESIGN DECISIONS • Layout • Re-did XOR and FA (and others) using M2 to reduce size • Going to need all four layers for the fp_mult • Not a big issue because we don’t route over them • Wallace Tree Multiplier • Fully implemented booth encoding • All blocks for wallace tree done to conform to aspect ratio

  4. MENTAL BREAK

  5. OLD WALLACE TREE

  6. NEW WALLACE TREE

  7. Wallace Tree Mult

  8. Booth Encoding – PP_Gen

  9. TRANSISTOR COUNT

  10. LAYOUT UPDATE - FA

  11. LAYOUT UPDATE REG BOOTH DECODER

  12. LAYOUT UPDATE 3:2 COMPRESSOR COMPARATOR

  13. FLOORPLAN BEFORE

  14. FLOORPLAN AFTER

  15. UPDATE – TEXT VERSION • Since Wednesday @ 3pm: • Craig – Worked on Booth Recoding and floorplan • Darren – Got in a car… • Jake – Worked on layout (only 13hrs straight this time) • Nick – ditto

  16. PROBLEMS & QUESTIONS • Booth Recoding • Still walking through • Problem: Timing issues with top level design. Haven’t tackled yet (fixing lower blocks to avoid complications*) • Problem: Spring break • We want one * scientific method: only test one variable at a time

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