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CMTOCPU2MSGRAM0 : origin = 0x20086000, length = 0x00000800 CMTOCPU2MSGRAM1 : origin = 0x20086800, length = 0x00000800
实际应用用不到CPU2与CM数据交互，此处能否给CPU1和CM用
DSP应用 说：实际应用用不到CPU2与CM数据交互，此处能否给CPU1和CM用
我认为是不可以的，因为CPU1无法access这个CMTOCPU2MSGRAM地址
