Freescale Semiconductor MPC5200B User Manual

Page 162

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Interrupt Controller

MPC5200B Users Guide, Rev. 1

Freescale Semiconductor

7-3

Figure 7-1. Interrupt Sources and e300 core Interrupt Pins

IRQ[0:3] Interrupt Requests

IRQ[0:3] provides interrupt requests to Interrupt Controllers for external devices such as:

graphics controllers

PCI interrupt controller

ATAs

transport de-multiplexers

external I/O devices, etc.

These interrupts are programmable as edge or level sensitive. See

Figure 7-1

.

Peripherals

(ATA/PCI etc.)

HI_int

LO_int

IRQ[0]

Slice Timer 0

CCS Wkup

BestComm

SIU interrupts

IRQ[1:3]

core_cint

core_smi

core_int

Slice Timer 1

Indicates it can be masked in controller.

Indicates priority encoding programmability.

(RTC/GPIO/WKUP/TMRS)

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