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XAPP729-将64位DDR存储器总线与32位微处理器总线接口

消耗积分:0 | 格式:pdf | 大小:417 KB | 2012-02-10

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In today’s processor, digital signal processor (DSP), and other applications, memory datawidths can be 64 bits and higher. This application note shows how the 32-bit MicroBlaze™processor can easily access these wide memories. This design is also suitable for use with theIBM PowerPC™ (PPC405) processor because it connects to the On-chip Peripheral Bus(OPB). The reference design provides a modification to an existing Xilinx EDK SDRAMinterface, enabling a 32-bit processor to access a 64-bit data bus.

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