Motorola MVME5100 用户手册
4-4
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Hawk Programming Details
4
Notes
1. Internally generated by the PBC.
2. These interrupt sources must be routed to the appropriate ISA
IRQ using the PBC interrupt routing registers.
IRQ using the PBC interrupt routing registers.
9
IRQ14
IRQ14
Edge
High
Primary IDE interface
10
IRQ15
IRQ15
Level
Low
PMC1 or PMC2 Interrupt
11
IRQ3
IRQ3
INT1
Level
Low
COM2 or COM4 Interrupt
12
IRQ4
IRQ4
Level
Low
COM1 or COM3 Interrupt
13
PIRQB_
IRQ5
Level
Low
21554 Secondary Interrupt
14
IRQ6
IRQ6
Edge
High
Not Used
15
IRQ7
IRQ7
Edge
High
Not Used
Table 4-2. PBC ISA Interrupt Assignments (Continued)
PRI
PSIO
IRQ
Input
Routed to
ISA
IRQ
Co
nt
ro
ller
Edge/
Level
Pola
ri
ty
Interrupt Source
No
tes