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MVME4100 Single Board Computer Programmer’s Reference (6806800H19D)
Programming Details
Programming Details
4.3
MPC8548E Interrupt Controller
The MVME4100 uses the MPC8548E integrated programmable interrupt controller (PIC)
to manage locally generated interrupts. Currently defined external interrupting devices and
interrupt assignments, along with corresponding edge/levels and polarities, are shown in
the following table.
NOTES:
1.
External timers are implemented in a PLD.
2.
External UARTs are implemented using a QUART.
Refer to the
MPC8548E Reference Manual
listed in
Appendix B, Related Documentation
,
for additional details regarding the operation of the MPC8548E PIC.
Table 4-2
MPC8548E Interrupt Controller
Interrupt #
Edge/Level
Polarity
Interrupt Source
Notes
0
Level
Low
Tsi148 INTA
1
Level
Low
Tsi148 INTB
2
Level
Low
Tsi148 INTC
3
Level
Low
Tsi148 INTD
4
Level
Low
PMC1, PMC2, USB
5
Level
Low
PMC1, PMC2, USB
6
Level
Low
PMC1, PMC2, USB
7
Level
Low
PMC1, PMC2
8
Level
Low
XMCspan
9
Level
Low
RTC, TEMP, Abort
10
Level
Low
PHYs
11
Level
Low
UARTs, External Timer
1,2
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