RT2661_MCU_INT_MASK_CSR
RAL_WRITE(sc, RT2661_MCU_INT_MASK_CSR, 0xffffffff);
RAL_WRITE(sc, RT2661_MCU_INT_MASK_CSR, 0);
RAL_WRITE(sc, RT2661_MCU_INT_MASK_CSR, 0);
RAL_WRITE(sc, RT2661_MCU_INT_MASK_CSR, 0xffffffff);
RAL_WRITE(sc, RT2661_MCU_INT_MASK_CSR, 0xffffffff);