cpci 3.0规范,cpci3.0标准免费下载PICMG 2.0 R3.0 CompactPCI â SpecificationCompactPCI is an adaptation of the Peripheral Component Interconnect (PCI)Specification 2.1 or later for industrial and/or embedded applications requiring amore robust mechanical form factor than desktop PCI. CompactPCI uses industrystandard mechanical components and high performance connector technologies toprovide an optimized system intended for rugged applications. CompactPCI providesa system that is electrically compatible with the PCI Specification, allowing low costPCI components to be utilized in a mechanical form factor suited for rugged environments.CompactPCI is an open specification supported by the PICMG (PCI Industrial ComputerManufacturers Group), which is a consortium of companies involved in utilizingPCI for embedded applications. PICMG controls this specification.1.2 Background and TerminologyEurocard - A series of mechanical board form factor sizes for rack-based systems asused in VME, Multibus II, and other applications defined by the Institute of Electricaland Electronics Engineers (IEEE) and International Electrotechnical Committee(IEC).ISA - Industry Standard Architecture. A specification by which Personal Computers(PCs) add boards.PCI - Peripheral Component Interconnect. A specification for defining a common interconnectbetween logic components. Typically used for interconnecting high-speed,PC-compatible chipset components. The PCI specification is issued through the PCISpecial Interest Group (PCI SIG).This specification utilizes several key words, which are defined below:may: A key word indicating flexibility of choice with no implied preference.shall: A key word indicating a mandatory requirement. Designers shall implementsuch mandatory requirements to ensure interchangeability andto claim conformance with the specification.should: A key word indicating flexibility of choice with a strongly preferredimplementation.