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MCIMX31LCVMN4D MCIMX31LCKN5D 31LCVMN4C/VMN4DR2/VKN5C BGA芯片
丝印MCIMX31LVKN5C-MCIMX31LVKN5B-MCIMX31LDVK5D-MCIMX31LCKN5C