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Boolean Algebra (Continued) ELEC 311 Digital Logic and Circuits Dr. Ron Hayne Images Courtesy of Cengage Learning
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311_032 Exclusive-OR (XOR)
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XOR Theorems 311_033
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Equivalence 311_034
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Equivalence (XNOR) 311_035
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6 Project 1 Combinational Circuit Analysis Determine input/output relationship of function Boolean Equation Truth Table Implement logic circuit with FPGA Schematic capture design tools Test circuit to verify operation Project Report Teams of 2 persons
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311_037 Xilinx ISE Design Suite Enter description of logic circuit Schematic editor VHDL Use a logic synthesizer to generate a netlist Use implementation tools to map logic gates and interconnections into the FPGA Generate a bitstream programming file Configure device Download the bitstream to the FPGA chip
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or Schematic 8311_03
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10 New Project File → New Project Project Name Demo1 Project Location C:\xxx\xxx Top-Level Module Type Schematic Device Family Spartan3E Device XC3S100E Package TQ144 (BASYS) CP132 (BASYS 2) Speed Grade -5
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311_0311 New Source Project → New Source Schematic Demo1 Schematic Editor Symbols Category list Symbol list Drawing area Tools Add wire Add I/O marker
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add wire add I/O marker 12311_03
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13 Demo1 Schematic Categories Logic Symbols and2 and3 inv or2 Add wires Point to point Stubs I/O Markers Input marker Output marker Rename Port
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Switches LEDs FPGA 14311_03
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15 FPGA Pins
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311_0316 Constrain the Design User Constraints → I/O Pin Planning – Pre-Synthesis Implementation Constraints File Demo1.ucf PlanAhead I/O Ports Site I/O NameLocationBASYSBASYS 2 XSW2P29 K3 YSW1P36 L3 ZSW0P38 P11 XYLD1P14 M11 FLD0P15 M5
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311_0318 Synthesize & Implement Synthesize Design Implement Design Generate Programming File
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311_0319 BASYS Configuration Set to ROM
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311_0320 Configure Device Configure Device (Adept) Initialize Chain XCF02S (PROM) demo1.bit Program Cycle Power (Reset)
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311_0321
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311_0322 Test the Design XYZ F 0 1 XY
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311_0323 Project Report Cover Sheet Project Name/Number Authors Professor’s Initials Objectives Discussion Boolean Equation Truth Table Circuit Schematic Conclusion Test Results
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