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Lecture 13 PicoBlaze I/O & Interrupt Interface

Lecture 13 PicoBlaze I/O & Interrupt Interface. ECE 448 – FPGA and ASIC Design with VHDL. Required reading. P. Chu, FPGA Prototyping by VHDL Examples Chapter 16, PicoBlaze I/O Interface Chapter 17, PicoBlaze Interrupt Interface. Output Decoding of Four Output Registers.

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Lecture 13 PicoBlaze I/O & Interrupt Interface

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  1. Lecture 13PicoBlaze I/O & Interrupt Interface ECE 448 – FPGA and ASIC Design with VHDL

  2. Required reading • P. Chu, FPGA Prototyping by VHDL Examples • Chapter 16, PicoBlaze I/O Interface • Chapter 17, PicoBlaze Interrupt Interface ECE 448 – FPGA and ASIC Design with VHDL

  3. Output Decoding of Four Output Registers ECE 448 – FPGA and ASIC Design with VHDL

  4. Timing Diagram of an Output Instruction ECE 448 – FPGA and ASIC Design with VHDL

  5. Truth Table of a Decoding Circuit ECE 448 – FPGA and ASIC Design with VHDL

  6. Block Diagram of Four Continuous-Access Ports ECE 448 – FPGA and ASIC Design with VHDL

  7. Timing Diagram of an Input Instruction ECE 448 – FPGA and ASIC Design with VHDL

  8. Block Diagram of Four Single-Access Ports ECE 448 – FPGA and ASIC Design with VHDL

  9. FIFO Interface clk rst rst clk FIFO dout din 8 8 empty full write read ECE 448 – FPGA and ASIC Design with VHDL

  10. Operation of the First-Word Fall-Through FIFO ECE 448 – FPGA and ASIC Design with VHDL

  11. Operation of the “Standard” FIFO A B C D −−−−− ECE 448 – FPGA and ASIC Design with VHDL

  12. Interrupt Flow ECE 448 – FPGA and ASIC Design with VHDL

  13. Timing Diagram of an Interrupt Event ECE 448 – FPGA and ASIC Design with VHDL

  14. ECE 448 – FPGA and ASIC Design with VHDL

  15. Interrupt Interface with a Single Event ECE 448 – FPGA and ASIC Design with VHDL

  16. Interrupt Interface with Two Requests ECE 448 – FPGA and ASIC Design with VHDL

  17. Time-Multiplexed Seven Segment Display ECE 448 – FPGA and ASIC Design with VHDL

  18. Block Diagram of the Hexadecimal Time-Multiplexing Circuit ECE 448 – FPGA and ASIC Design with VHDL

  19. Hexadecimal Multiplexing Circuit Based on PicoBlaze and mod-500 Counter ECE 448 – FPGA and ASIC Design with VHDL

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