ADLINK Technology Express-KL2, User Manual

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Express-KL2
System Resources
43
6.4. Interrupt Request (IRQ) Lines
PIC Mode
IRQ# Typical Intterupt Resource Connected to Pin Available
0 Counter 0 N/A No
1 Keyboard controller IRQ1 via SERIRQ No
2 Cascade interrupt from slave PIC N/A No
3 Serial Port 2 (COM2) IRQ3 via SERIRQ / PIRQ Note (1)
4 Serial Port 1 (COM1) IRQ4 via SERIRQ / PIRQ Note (1)
5 Parallel Port IRQ5 via SERIRQ / PIRQ Note (1)
6 Generic IRQ6 via SERIRQ / PIRQ No
7 Generic IRQ7 via SERIRQ / PIRQ Note (1)
8 Real-time clock N/A No
9 Generic N/A Note (1)
10 Generic IRQ10 via SERIRQ / PIRQ Note (1)
11 Generic IRQ11 via SERIRQ / PIRQ Note (1)
12 PS/2 Mouse IRQ12 via SERIRQ / PIRQ Note (1)
13 GSPI, UART, I2C, SDIO N/A Note (1)
14 Gpio PIRQ Note (1)
15 Gpio PIRQ Note (1)
Note (1):
These IRQs can be used for PCI devices when onboard device is disabled.
APIC Mode
IRQ# Typical Intterupt Resource Connected to Pin Available
0 Counter 0 N/A No
1 Keyboard controller IRQ1 via SERIRQ No
2 Cascade interrupt from slave PIC N/A No
3 Serial Port 4 (COM4) IRQ3 via SERIRQ Note (1)
4 Serial Port 3 (COM3) IRQ4 via SERIRQ Note (1)
5 Serial Port 2 (COM2) IRQ5 via SERIRQ Note (1)
6 N/A N/A Note (1)
7 Serial Port 1 (COM1) IRQ7 via SERIRQ Note (1)
8 Real-time clock N/A No
9 N/A N/A Note (1)
10 N/A N/A Note (1)
11 N/A N/A Note (1)
12 PS/2 Mouse IRQ12 via SERIRQ Note (1)
13 Math Processor N/A Note (1)
14 Primary IDE controller IRQ14 via SERIRQ Note (1)