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FPGA with a simplified interface between the program memory and the programmable logic blocks
FPGA with a simplified interface between the program memory and the programmable logic blocks
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机译:在程序存储器和可编程逻辑块之间具有简化接口的FPGA
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摘要
A structure for simplifying the programmable memory to logic interface in FPGAs is proposed. The interface is such that it isolates the general purpose routing architecture for intra-PLB (Programmable Logic Blocks) routing from the RAM address, data and control lines. The programmable logic blocks and the input-output resources of the FPGA access the embedded memory or RAM using dedicated direct interconnects. A major part of these direct interconnects surface from programmable logic blocks in vicinity of the RAM. The rest run between the input-output (IO) pads/routing and the RAM blocks. A dedicated bus-routing architecture is provided to club the memories to emulate larger RAM blocks. This bus routing is devoted to interconnection among RAM blocks and is isolated from the PLB routing resources.
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