Filter
Top Products
UNO-2173A/AF User Manual 24
Appendix A System Settings and Pin
Assignments
A.1 System I/O Address and Interrupt Assignment
Table A.1: UNO-2173A/AF System I/O Ports
Address Range Device
000-01F DMA controller (slave)
020-03F Interrupt controller 1, (master)
040-05F 8254 timer/counter
060-06F 8042 (keyboard controller)
070-07F Real-time clock, non-maskable interrupt (NMI)mask
080-09F DMA page register,
0A0-0BF Interrupt controller 2 (slave)
0C0-0DF DMA controller (master)
0F0 Clear math co-processor
0F1 Reset math co-processor
0F8-0FF Math co-processor
170-177 Secondary IDE channel
1F0-1F7 Primary IDE channel
2F8-2FF Serial port 2
378-37F Parallel printer port 1 (reserved)
3E8-3EF Serial port 3 (UNO-2173AF)
3F8-3FF Serial port 1