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MPC8280 Folha de dados(PDF) 180 Page - Freescale Semiconductor, Inc

Nome de Peças MPC8280
Descrição Electrónicos  PowerQUICC??II Family Reference Manual
PDF  1386 Pages
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Fabricante Electrônico  FREESCALE [Freescale Semiconductor, Inc]
Página de início  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC8280 Folha de dados(HTML) 180 Page - Freescale Semiconductor, Inc

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System Interface Unit (SIU)
MPC8280 PowerQUICC II Family Reference Manual, Rev. 1
4-8
Freescale Semiconductor
4.2.1
Interrupt Configuration
Figure 4-8 shows the MPC8280 interrupt structure. The interrupt controller receives interrupts from
internal sources, such as the PIT or TMCNT, from the CPM, the PCI bridge (with its own interrupt
controller), and from external pins (port C parallel I/O pins).
Figure 4-8. MPC8280 Interrupt Structure
MCP
IRQ[0–7]
INT
OR
G2_LE
Core
Port C[0–15]
Timer1
Timer2
Timer3
Timer4
SCC3
USB/SCC4
SMC1
SPI
I2C
SMC2
Software watchdog timer
IRQ0
IDMA1
IDMA2
RISC Timers
Fall/
Level
SCC2
SCC1
MCC11
FCC3
FCC2
FCC1
PIT
TMCNT
Edge/
Fall
IDMA3
IDMA4
SDMA
MCC2
16
8
TC layers1
Memory controller data errors
PCI
Bus monitor address only
IRQ[1–7]
Note
1 MPC8280 only
PCI
CINT
IRQ5



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