Esteu aquí: Inici Assignatures Sistemes Digitals Esquema detallat del curs

Esquema detallat del curs

1. Introduction

  • VHDL standard
  • Examples: AND gate. Full Adder
  • Testbench
  • GHDL - gtkwave

 

2. Combinational

  • Boolean functions
  • Traffic light controller
  • BCD to 7 segment decoder

 

3. Numerics

  • Numerics basics
  • Unsigned integers Assignments. Resizing unsigned integers
  • Adding unsigned integers
  • Adders, Fast-carry-chains. Carry lookahead
  • VHDL adder. Adder with carry out
  • Comparing unsigned integers Substracting unsigned integers
  • Signed integers. Two’s complement
  • Resizing signed integers
  • Adding / substracting signed integers
  • Abstract numeric types and conversions

 

4. Sequential basics

  • D Flip-Flop. Process statements
  • Clock enable. Synchronous and asynchronous reset
  • Shift register. Testbench
  • Counter. Testbench

 

5. Sequential systems: The Sequential Datapath and Control
Section Model

  • Datapath
  • Control section. Control signal generation
  • State machines
  • Simulation

 

6. Timing

  • The Register Transfer Level Description
  • Synchronous timing Critical Path
  • Timing constraints
  • Clock skew
  • Outside connections. Asynchronous inputs. Metastability.
  • Synchronizers. Slow inputs and bouncing

 

7. Memories

  • Introduction
  • Elementary Memory in VHDL
  • Memory types
  • Bidirectional ports. VHDL description. Testbench
  • Memory with Tristate Ports
  • Examples

 

8. Mini AVR in VHDL

  • Processor basics. Architecture
  • Instructions: NOP, LDI, ADC, MOV
  • Registers
  • Program ROM
  • Status Register
  • Control Unit
  • ALU
  • Completing the First Processor : NOP, LDI, ADC, MOV

 

9. Enhancing the processor

  • Implementing the RJMP instruction
  • Implementing the BREQ instruction
  • Implementing the AND, OR, EOR instructions
  • Adding some RAM
  • Addressing RAM: Two-cycle instructions vs Indirect addressing
  • Implementing the LD and ST instructions
  • VHDL implementation. VHDL coding styles and effects on
  • synthesis
  • Implementing IO instructions: IN, OUT. Synchronizers.
  • Implementing a timer