Mitsubishi Electric LS Pro Hardware Technical Reference page 44

The following illustration shows the maskable interrupt structure.
List of hardware The interrupts are allocated to hardware functions in the priorities shown in the
interrupts following table. IRQ0 is the highest priority.
Interrupt level
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
Note
IRQ0 and IRQ13 are both used inside the SCAMP chip. Neither emerges for use on the system
board.
IRQ0
0 INT
IRQ1
INTA
1
2
IRQ3
3
IRQ4
XD0 to XD7
4 D0 to D7
IRQ5
5
IRQ6
6
RD,WR
IRQ7
7
A0
MASTER
CONTROLLER
INT
IRQ8
0
INTA
IRQ9
1
IRQ10
2
IRQ11
D0 to D7
3
IRQ12
RD,WR
4
IRQ13
A0
5
IRQ14
6
IRQ15
7
SLAVE
CONTROLLER
Function
Timer
Keyboard
Slave controller input
IRQ8 Real time clock
IRQ9 Token ring module
IRQ10 Ethernet port
IRQ11 Security
IRQ12 Mouse
IRQ13 Coprocessor exception
IRQ14 Hard disk controller
IRQ15 Digital audio
Reserved
Serial port
Reserved
Floppy disk controller
Parallel port
LS PRO HARDWARE TECHNICAL REFERENCE 3/7
System Board
INTR
INTA
8-BIT
DATA
BUS
IOR, IOW
SA0
ADDRESS
BUS