This chapter reviews essential digital logic concepts and Verilog programming techniques for CPU design. It covers combinational and sequential circuits, emphasizing coding styles for registers, multiplexers, ALUs, and RAMs. Common functional simulation errors (e.g., signal glitches, race conditions) and debugging methods are discussed, with examples of waveform analysis. Practical tasks include simulating register files, synchronous or asynchronous RAMs, and troubleshooting logic circuits. The chapter reinforces the importance of a hardware-centric mindset and hierarchical design principles.

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Fundamentals of Digital Logic Circuit Design

  • Wenxiang Wang,
  • Jinzhang Xing

摘要

This chapter reviews essential digital logic concepts and Verilog programming techniques for CPU design. It covers combinational and sequential circuits, emphasizing coding styles for registers, multiplexers, ALUs, and RAMs. Common functional simulation errors (e.g., signal glitches, race conditions) and debugging methods are discussed, with examples of waveform analysis. Practical tasks include simulating register files, synchronous or asynchronous RAMs, and troubleshooting logic circuits. The chapter reinforces the importance of a hardware-centric mindset and hierarchical design principles.