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An Efficient Architecture for PCI Bus Design

Amit Sanjayrao Mamidwar, Vrushali G. Raut

In several application of embedded system, the digital components interconnects are needs flexible to power and area of the devices. Also it requires a bus width with several versions like 64 bits or 32 bits with different frequencies (Ex. 33 MHz or 66 MHz). PCI bus is used for connecting these hardware devices in computer. Instead of using different buses in computer, it can use single bus for different frequencies with multiplexing bus width. In order to solve this problem, this paper designs FPGA based PCI bus with these requirements. Through analysis of PCI bus, the top-down method applies on the PCI bus with several functional modules. Also it uses the master and target as coprocessor of the device which are programmed with finite state machine using VHDL language and structured in detail which helps to minimize the power consumption. For selecting bandwidth and frequency, it has used separate multiplexing module. Through the analysis of test bench and synthesis report it will prove that the bus complete requirements of power consumption on the basis of utilization of registers, CLB�??s and flip flops and helps to design with dual frequency.