Information

Integrated Programmable Interrupt Controller (IPIC)
MPC8308 PowerQUICC II Pro Processor Reference Manual, Rev. 1
Freescale Semiconductor 8-3
Figure 8-1 shows the interrupt sources block diagram.
Figure 8-1. Interrupt Sources Block Diagram
The IPIC receives the following types of interrupts:
• External interrupt—triggered by the off-chip signals (IRQ
n) listed in Table 8-1
• Internal interrupts—on-chip interrupts, triggered by the sources listed in Table 8-7 and Table 8-9
Interrupt
GTM1
Three-Speed
Ethernet
Controller 1
10/100/1000 MAC
DDR SDRAM
Controller
System Bus
Arbiter
DMA
4
4
int
cint
IRQ0, IRQ1, IRQ2, IRQ3
Enhanced
Controller
e300
Controller
DUART
PIT
RTC
smi
MPC8308
mcp
4
Core
2
SPI
2
MCP_OUT
Local Bus
Enhanced
I
2
C
GPIO
PCI Express
2
(DDR2)
eSDHC
WDT
MSIR
8
DMA
2
Three-Speed
Ethernet
Controller 2
10/100/1000 MAC
DMA
4
Enhanced
USB 2.0