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DSP28335的外扩存储器



在手把手教你学dsp中,zone0和zone1在存储器中分别对应的地址范围是0x2000~0x3FFF和0x4000~0x6000,这两个部分是作为外扩存储器。书上说这个地址范围也就是外部总线的寻址空间,可是这个区域如果外扩了sram,那么我的寻址空间不应该是按照外扩存储器的容量大小来吗,比如256K*16bit    而不是按照已经分配好的内存地址决定寻址范围