Hardware-Software Interfaces – p. 1/18 Hardware-Software Interfaces ThS. Le Hoai Nghia nghialh@uit.edu.vn February 2009 UNIVERSITY OF INFORMATION TECHNOLOGY Hardware-Software Interfaces – p. 2/18 Basic Processor Architecture Hardware-Software Interfaces – p. 3/18 Typical Processor System Hardware-Software Interfaces – p. 4/18 Simple Bus Timing Hardware-Software Interfaces – p. 5/18 Strobe vs. Handshake Hardware-Software Interfaces – p. 6/18 1982: The IBM PC Hardware-Software Interfaces – p. 7/18 The ISA Bus: Memory Read Hardware-Software Interfaces – p. 8/18 The ISA Bus: Memory Write Hardware-Software Interfaces – p. 9/18 The PC/104 Form Factor: ISA Lives Hardware-Software Interfaces – p. 10/18 Memory-Mapped I/O