PCI Bus Demystified

Doug Abbott is a consultant with over thirty years’ experience, specializing in hardware and software for industrial and scientific data acquisition and embedded product applications. Doug is also a popular instructor and seminar leader, who teaches classes in PC technology and real-time programming for University of California Berkeley Extension. He has taught the techniques of real-time programming and multi-tasking operating systems to hundreds of professional engineers.Doug Abbott is the principal of Intellimetrix, a consulting firm in Silver City, NM, specializing in hardware and software for industrial and scientific data acquisition and embedded product applications. Among his past and pre-sent clients are Agilent Technologies, Tektronix, Sandia National Laboratory and numerous smaller high-tech com-panies in Silicon Valley.Mr. Abbott has over thirty years experience in various aspects of computer hardware and software design and has been an independent consultant for the past fifteen years. Prior to founding Intellimetrix, he managed software de-velopment for DSP Technology, Inc, a leading supplier of high-speed instrumentation.Doug is also a popular instructor and seminar leader, who teaches classes in PC technology and real-time program-ming for University of California Berkeley Extension. He has taught the techniques of real-time programming and multi-tasking operating systems to hundreds of professional engineers. These classes can also be customized and made available for on-site presentation.Mr. Abbott received an MSEE degree from the University of California at Berkeley.

INTRODUCING THE PERIPHERAL COMPONENT INTERCONNECT (PCI) BUS bus taxonomy PCI signals signal groups signal types sideband signals definitions

ARBITRATION the arbitration process bus parking; latency

BUS PROTOCOL PCI bus commands read/write transactions transaction termination error detection and reporting

OPTIONAL AND ADVANCED FEATURES interrupt handling the interrupt acknowledge command 64-bit extensions

ELECTRICAL AND MECHANICAL ISSUES signaling environments timing specifications 66 MHz PCI mechanical details

PLUG AND PLAY CONFIGURATION configuration address space configuration header base address registers expansion ROM

PCI BIOS operating modes BIOS services generate special cycle

PCI BRIDGING bridge types configuration address types bus hierarchy and bus number registers address filtering prefetching and posting interrupt handling across a bridge palette snooping; resource locking

COMPACT PCI mechanical implementation electrical implementation Compact PCI bridging

HOT PLUG AND HOT SWAP: PCI Hot Plug Hot Plug primitives Compact PCI Hot Swap primitives