Freescale-semiconductor MPC5200B Manuale Utente Pagina 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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