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pcit32 verilog lattice源代码
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pcit32 verilog lattice源代码:The evolution of digital systems over the past two decades has placed new requirements on system designers.They now need to design interfaces that are both high performance and compatible with other vendors’ systems. At the same, time they need to meet immense time-to-market demands. The compatibility issue has been resolved by designing systems with bus interfaces that are standards in the industry such as ISA, EISA, VESA and Micro Channel. As performance became an ever more important factor, a new interface standard called PCI (Peripheral Component Interconnect) was developed to meet the new requirements of today’s digital computer systems. PCI’s top features include a well-documented standard supported by a special interest group and the performance of a 33MHz, 32-bit version of the specification reaching 132Mbytes per second at its peak transfer rate. This document is a reference design solution for a 33MHz, 32-bit PCI target for ispMACH™ devices. It is designed to provide users with a starting point for designing a PCI target into a Lattice CPLD.
The reference design source code is available from Lattice upon the signing of a simple non-disclosure agreement.The 33MHz, 32-bit PCI target reference design comes with a fully automated HDL test environment and RTL source code. This gives the designer the flexibility to modify the back end interface to meet the requirements of the interfacing system. Using the design’s fully developed test bench to verify its functionality, both new and experienced designers will quickly be “up and running.” Although this design is not guaranteed to be fully PCI 2.2 compliant, efforts have been made to ensure its conformity.
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feng0305010303
2011-09-15
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