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2个核可以同时访问同一个DDR的同一个地址吗?这样操作会有什么影响?
多个master可以同时访问DDR3,芯片内部会有总线管理单元进行优先级仲裁,不会出现数据错误。相对单个master访问时效率有所下降,但是可以保证正确性,不需要软件干预。