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Figure 1.1 The Altera UP 1 CPLD development board.

Explore the design process for schematic or VHDL entry, connections of pushbuttons, LEDs, and FLEX device, active low OR-gate schematic examples, compilation, and timing analysis. Learn about jumper settings, VHDL and Verilog models, and CPLD placement using the Altera UP 1 board.

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Figure 1.1 The Altera UP 1 CPLD development board.

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  1. Figure 1.1 The Altera UP 1 CPLD development board.

  2. Design Compilation Simulation Verifcation GraphicalEntry Timing Diagram Program CPLD Compiler Timing Analysis UP 1 Development Board HDLEntry Figure 1.2 Design process for schematic or VHDL entry.

  3. Figure 1.3 Connections between the pushbuttons, the LEDs, and the Altera FLEX device.

  4. Figure 1.4 FLEX chip pin connection to seven-segment display decimal point.

  5. Figure 1.5a and 1.5b. Equivalent circuits for ORing active low inputs and outputs.

  6. Figure 1.6 Active low OR-gate schematic example with pinouts.

  7. Device Pin Number Connections PB1 28 PB2 29 LED Decimal Point On the Left Seven-Segment Display 14 Table 1.1 Hardwired connections on the FLEX chip for the design.

  8. Figure 1.7 Active low OR-gate schematic with pin numbers assigned.

  9. Figure 1.8 Compilation of active low OR-gate schematic.

  10. Figure 1.9 Active low OR-gate timing simulation.

  11. Figure 1.10 ALTERA UP 1 board with jumper settings and PB1, PB2, and LED locations.

  12. Table 1.2 Jumper settings for downloading to the MAX and FLEX devices.

  13. Figure 1.11 VHDL Entity declaration text.

  14. Figure 1.12 VHDL OR-gate model (with syntax error).

  15. Figure 1.13 VHDL compilation with a syntax error.

  16. Figure 1.14 Verilog module declaration text.

  17. Figure 1.15 Verilog active low OR-gate model (with syntax error).

  18. Figure 1.16 Verilog compilation with a syntax error.

  19. Figure 1.17 Timing analyzer showing input to output timing delays.

  20. Figure 1.18 Floorplanner with internal CPLD placement of OR-gate logic cell and I/O pins.

  21. ORGATE PB1 LED PB2 1 Figure 1.19 OR gate logic symbol.

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