Owner manual

Configuration VMP3

29230.01.UG.VC.050727/091437

P R E L I M I N A R Y

4.5 IRQ Routing

The Embedded Programmable Interrupt Controller of the MPC8541E (CPU) supports 12 exter-

nal IRQs. The IRQ routing is listed below. All VME interrupts are accumulated to PCI_INTA.

Table 4-32: IRQ Routing

IRQ NAME SOURCE

IRQ0 Watchdog Timer

IRQ1 MC2 or MC3 or MC5 IRQ

IRQ2 PCI_INTA

IRQ3 PCI_INTB

IRQ4 PCI_INTC

IRQ5 PCI_INTD

IRQ6 Ser1/2

IRQ7 Ser3/4

IRQ8 SIRQ (Serial IRQs)

IRQ9 Alarm, Temperature, Fast_Eth_Phy1

IRQ10 CAN IRQ

IRQ11 CF IRQ