TMS320F280049C: flash写入到0x098000这个扇区的时候 Fapi_getFsmStatus 返回30

        oReturnCheck = Fapi_issueProgrammingCommand((uint32 *)u32Index,
                                                    Buffer+(i>>1),
                                                    8,
                                                    0,
                                                    0,
                                                    Fapi_AutoEccGeneration);

        // Wait until the Flash program operation is over
        while(Fapi_checkFsmForReady() == Fapi_Status_FsmBusy);

        if(oReturnCheck != Fapi_Status_Success)
        {
            // Check Flash API documentation for possible errors
            //Example_Error(oReturnCheck);
            return FLASH_STATUS_FAIL;
        }

        // Read FMSTAT register contents to know the status of FSM after
        // program command to see if there are any program operation related errors
        oFlashStatus = Fapi_getFsmStatus();
        if(oFlashStatus != 0)
        {
            //Check FMSTAT and debug accordingly
            //FMSTAT_Fail();
            return FLASH_STATUS_FAIL;
        }

        // Verify the programmed values.  Check for any ECC errors.
        // The program command itself does a verify as it goes.
        // Hence program verify by CPU reads (Fapi_doVerify()) is optional.
        oReturnCheck = Fapi_doVerify((uint32 *)u32Index,
                                     4, Buffer32+(i>>2),
                                     &oFlashStatusWord);

        if(oReturnCheck != Fapi_Status_Success)
        {
            // Check Flash API documentation for possible errors
            //Example_Error(oReturnCheck);
            return FLASH_STATUS_FAIL;
        }
    }

Fapi_getFsmStatus 返回 30状态码。这个状态码对应的是手册中如下内容：

请问引起这个问题的原因有哪些。