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4.11.1. Interrupt signals

The device interrupts are listed in Table 4.39.

Note

Refer to the application note for your product for details on how interrupts are handled for your system and the interrupts signals present on the connectors.

Table 4.39. Interrupt signals to controllers
BitInterrupt sourceDescription
[95:90]reserved
[89]P_nINT[7]PCI Express-to-PCI-X bridge (PEX8114) P_nINTD
[88]P_nINT[6]PCI Express-to-PCI-X bridge (PEX8114) P_nINTC
[87]P_nINT[5]PCI Express-to-PCI-X bridge (PEX8114) P_nINTB
[86]P_nINT[4]PCI Express-to-PCI-X bridge (PEX8114) P_nINTA
[85]P_nINT[3]PCI SLOT A P_nINTA or SLOT B P_nINTB
[84]P_nINT[2]PCI SLOT A P_nINT|D or SLOT B P_nINTA
[83]P_nINT[1]PCI SLOT A P_nINTC or SLOT B P_nINTD
[82]P_nINT[0]PCI SLOT A P_nINTB or SLOT B P_nINTC
[81]P_NMISouthbridge PCI bridge NMI
[80]PCI_INTRSouthbridge PCI bridge INT
[79]Reserved
[78]Reserved
[77]Reserved
[76]Reserved
[75]Reserved
[74]Timer 6,7Timers 6 and 7
[73]Timer 4,5Timers 4 and 5
[72]Watchdog1Watchdog 1 alarm
[71]T1_INT7

Interrupts from tile site

[70]T1_INT6
[69]T1_INT5
[68]T1_INT4
[67]T1_INT3
[66]T1_INT2
[65]T1_INT1
[64]T1_INT0
[63]Reserved
[62]Reserved
[61]USBInterrupt from USB controller IC
[60]EthernetInterrupt from Ethernet controller IC
[59]Reserved
[58]PISMOPISMO interrupt from memory expansion board
[57]Reserved
[56]DMACDMA controller
[55]CLCDCLCD display
[54]ReservedReserved for Character LCD display (not currently supported)
[53]KMI1Keyboard/Mouse Interface
[52]KMI0Keyboard/Mouse Interface
[51]AACICODEC controller interrupt
[50]MCIbMultimedia Card Interface interrupt b
[49]MCIaMultimedia Card Interface interrupt a
[48]SCISmart Card interface
[47]UART3UART3
[46]UART2UART2
[45]UART1UART1
[44]UART0UART0
[43]SSPSynchronous serial port
[42]RTCReal time clock
[41]reserved
[40]GPIO2GPIO controller
[39]GPIO1GPIO controller
[38]GPIO0GPIO controller
[37]Timer 2,3Timers 2 and 3
[36]Timer 0,1Timers 0 and 1
[35]reservedReserved for COMMTX
[34]reservedReserved for COMMRX
[33]Software interrupt

Software interrupt.

[32]Watchdog0Watchdog timer 0
[31:16]GICreserved for GIC software interrupts
[15:0]GICSoftware interrupts

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