Quad Serial Peripheral Interface (QuadSPI)MPC5606S Microcontroller Reference Manual, Rev. 71026 Freescale SemiconductorAddress: QSPI_BASE + 0x15C0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15R0 0 0 0TXFULL0 0TXNE0 0 0 0RXFULL0 0RXNEWReset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 016 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31R0 0 0 0AHBFULL0 0AHBNE0 0 0 0CONTMODEAHB_ACCIP_ACCBUSYWReset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0Figure 30-19. Serial Flash Mode Status Register (QSPI_SFMSR)Table 30-32. QSPI_SFMSR field descriptionsField DescriptionTX Buffer Related Status InformationTXFULL TX Buffer Full: Asserted when no more data can be stored.TXNE TX Buffer Not Empty: Asserted when TX Buffer contains data.RX Buffer Related Status InformationRXFULL RX Buffer Full: Asserted when RX Buffer is full.RXNE RX Buffer Not Empty: Asserted when RX Buffer contains data.AHB Buffer Related Status InformationAHBFULL AHB Buffer Full: Asserted when AHB buffer is full.AHBNE AHB Buffer Not Empty: Asserted when AHB buffer contains data.SFM Command Related Status InformationCONTMODE Continuous Mode: Asserted when last command was of type “Continuous Read Mode”1. It isasserted at the end of the execution of the related command together with the QSPI_SFMFR[TFF]flag.AHB_ACC AHB Access: Asserted when the transaction currently executed was initiated by AHB bus.IP_ACC IP Access: Asserted when transaction currently executed was initiated by IP bus.BUSY Module Busy: Asserted when module is currently busy handling a transaction to an external flashdevice.