Advantech SOM-4450 CPU System On Module SOM-4450 ETX Manual do Utilizador descarregar pdf (Página 32)

26 SOM-4450 User's Manual

B.3 Interrupt assignments

Table B-3: Interrupt assignments

Interrupt# Interrupt source

NMI Parity error detected

IRQ 0 Interval timer

IRQ 1 Keyboard

IRQ 2 Interrupt from controller 2 (cascade)

IRQ 3 Serial communication port 2

IRQ 4 Serial communication port 1

IRQ 5 Available

IRQ 6 Diskette controller (FDC)

IRQ 7 Parallel port 1 (print port)

IRQ 8 Real-time clock

IRQ 9 Reserve

IRQ 10 Available

IRQ 11 Reserved for watchdog timer

IRQ 12 PS/2 mouse

IRQ 13 INT from co-processor

IRQ 14 Preliminary IDE

IRQ 15 Secondary IDE for CompactFlash

USB and Ethernet IRQ is automatically set by the system

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Advantech SOM-4450 CPU System On Module SOM-4450 ETX Manual do Utilizador Página 32