Bus Architecture

Introduction

Bus architecture refers to the system of communication paths that connect various components of a computer system, enabling data transfer and control signal transmission.

Types of Buses

Common bus types in computer systems:

• System Bus
  • Data Bus
  • Address Bus
  • Control Bus
• I/O Bus
  • PCI Bus
  • USB Bus
  • SATA Bus

Bus Characteristics

Important bus characteristics:

• Bus Width
  • Data Width
  • Address Width
• Bus Speed
  • Clock Rate
  • Transfer Rate
• Bus Protocols
  • Synchronous
  • Asynchronous

Bus Arbitration

Methods of bus arbitration:

• Centralized Arbitration
• Distributed Arbitration
• Priority-based Arbitration
• Round-robin Arbitration

Important Concepts