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DSP和arm通过共享地址来进行数据交换,会有问题吗
Zhang Yang,
#1. 我想你指的芯片是L138吧。
#2. 对于这种双核芯片,都是通过共享内存来交换数据的,并不需要做数据的实际传输,这样提高效率。
#3. 同时,如果开了Cache,需要注意Cache coherence的维护。