System Integration Module (SIM)MCF5253 Reference Manual, Rev. 19-14 Freescale Semiconductor49 SOFTINT2 AUXINT Software interrupt 248 SOFTINT1 AUXINT Software interrupt 147 SOFTINT0 AUXINT Software interrupt 046 CAN0MESSAGE FLEXCAN0 Message buffer handler45 CAN0STATUS FLEXCAN0 Error, Wakeup, Busoff interrupts44 CAN1MESSAGE FLEXCAN1 Message buffer handler43 CAN1STATUS FLEXCAN1 Error, Wakeup, Busoff interrupts42 UART2 UART2 3rd UART interrupt41 ATAUSBDMA ATADMA Special DMA channel intended for use with 16K SRAMblock associated with the USB and ATA modules40 USBWUP USBPWR USB Wakeup39 GPI7 (Not applicable, no GPI7 pin) SIM gpio interrupt38 GPI6 SIM gpio interrupt37 GPI5 SIM gpio interrupt36 GPI4 SIM gpio interrupt35 GPI3 SIM gpio interrupt34 GPI2 SIM gpio interrupt33 GPI1 SIM gpio interrupt32 GPI0 SIM gpio interrupt31 IIS1TXUNOV AUDIO iis1 transmit FIFO under / over30 IIS1TXRESYN AUDIO iis1 transmit FIFO resync29 IIS2TXUNOV AUDIO iis2 transmit FIFO under / over28 IIS2TXRESYN AUDIO iis2 transmit FIFO resync27 EBUTXUNOV AUDIO IEC958 transmit FIFO under / over26 EBUTXRESYN AUDIO IEC958 transmit FIFO resync25 IEC958-1 CNEW AUDIO IEC958-1 receives new C control channel frame24 IEC958-1 VALNOGOOD AUDIO IEC958 validity flag no good23 IEC958-1 PARITY OR SYMBOL ERROR AUDIO IEC958 receiver 1 bit or symbol error22 PDIR3UNOV AUDIO Processor data in 3 under/over21 UCHANTXEMPTY AUDIO U channel transmit register is empty20 UCHANTXUNDER AUDIO U channel transmit register underrun19 UCHANTXNEXTFIRST AUDIO U channel transmit register next byte will be first18 IEC958-1 U/Q BUFFER ATTENTION AUDIO IEC 958 -1 U/Q channel buffer full interruptTable 9-14. Secondary Interrupt Sources (continued)Interrupt Interrupt Name Module Description