17
ECIT ECC Correctable Error Interrupt Trigger Must be set to
O.
o ECC correctable error interrupt is level-
sensitive.
1
ECC correctable error interrupt is edge-
sensitive.
18
PPMIT PCI Power management Interrupt Trigger Must be set to
O.
o PCI power management interrupt is
level-sensitive.
1
PCI power management interrupt is
edge-sensitive.
19:24
Reserved
25
EIROT
External IRQ 0 Trigger
o
An
external IRQ 0 interrupt is level-
sensitive.
1 An external
IRQ 0 interrupt is edge-
sensitive.
26
EIR1T External IRQ 1 Trigger
o
An
external IRQ 1 interrupt is level-
sensitive.
1 An external
IRQ 1 interrupt is edge-
sensitive.
27
EIR2T External IRQ 2 Trigger
o An external IRQ 2 interrupt is level-
sensitive.
1
An
external IRQ 2 interrupt is edge-
sensitive.
28
EIR3T External IRQ 3 Trigger
o An external IRQ 3 interrupt is level-
sensitive.
1 An external
IRQ 3 interrupt is edge-
sensitive.
29
EIR4T External IRQ 4 Trigger
o An external IRQ 4 interrupt is level-
sensitive.
1 An external
IRQ 4 interrupt is edge-
sensitive.
30 EIR5T External IRQ 5 Trigger
o
An
external IRQ 5 interrupt is level-
sensitive.
1 An external
IRQ 5 interrupt is edge-
sensitive.
31
EIR6T External IRQ 6 Trigger
o An external IRQ 6 interrupt is level-
sensitive.
1
An
external IRQ 6 interrupt is edge-
sensitive.
Preliminary
Interrupt Controller Operations
10-15
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