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Xtreme/104 Opto User’s Manual, Connect Tech Inc.

Revision 0.05 12

Figure 4: Interrupt (IRQ) selection jumper setting examples

Example: Mode 3 – two IRQs (Xtreme/104 Opto, 4 port model only)

In the following example, Ports 1 and 2 are set to interrupt on IRQ 7 and

Ports 3 and 4 interrupt on IRQ 10.

JB3

IRQ select

7 4 36 5

IRQ jumper block

JB1

15 11 1014

IRQ jumper block

JB2

Example: Mode 4 – four IRQs (Xtreme/104 Opto, 4 port model only)

In the following example, Port 1 is set to interrupt on IRQ 7. Port 2

interrupts on IRQ 4. Port 3 interrupts on IRQ 12. Port 4 interrupts on IRQ

10.

JB3

IRQ select

7 4 36 5

IRQ jumper block

JB1

15 11 1014

IRQ jumper block

JB2

Example: Mode 1 – one IRQ

In the following example, the jumper blocks are set so all ports interrupt on

IRQ 4.

JB3

IRQ select

4365

IRQ jumper block

JB1

Example: Mode 2 – two IRQs

In the following example, Ports 1 and 3 are set to interrupt on IRQ 7. Ports

2 and 4 interrupt on IRQ 12.

JB3

IRQ select

74365

IRQ

er block

JB1

1014

IRQ

er block

JB2

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 22 23

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