
SOM304RD-VI Development Kit
Vortex
86DX
SOM304-Pin CPU Module
27
IRQ Mapping
IRQ#
Description
Usage
IRQ0
System Timer
*
IRQ1
Keyboard Controller
*
IRQ2
Cascade for IRQ8 – 15
IRQ3
Serial Port 2
*
IRQ4
Serial Port 1
*
IRQ5
USB
*
IRQ6
USB
*
IRQ7
Printer Port
*
IRQ8
Real Time Clock
*
IRQ9
USB/ Ethernet 10/100M LAN
*
IRQ10
Serial Port 3
*
IRQ11
Serial Port 4
*
IRQ12
Mouse
*
IRQ13
Math Coprocessor
*
IRQ14
Hard Disk Controller#1
*
IRQ15
Hard Disk Controller#2
*
Summary of Contents for SOM304DX-DEV-VI
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