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

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 ECE 448 – FPGA and ASIC Design with VHDL

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

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

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

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

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

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

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

ECE 448 – FPGA and ASIC Design with VHDL Operation of FIFO ECE 448 – FPGA and ASIC Design with VHDL

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

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

ECE 448 – FPGA and ASIC Design with VHDL

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

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

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

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

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