I/O Map - Motorola Mobile Workstation 520 Application Developer's Manual

18 MW-520 Application Developer's Guide

I/O Map

Table 6
I/O Map
Address (Hex)
0000-000F
0020
0020-0021
0040-0043
0048-004B
0060
0061
0064
0070
0071
0078-0079
0080
0081-008F
00A0-00A1
00B2-00B3
00C0-00DE
00F0
0100-011F
0170-0177
01F0-01F7
0200-0207
0220-022F
0240-024F
02E8-02EF
02F8-02FF
0300-0301
0308-030F
0330-0335
0378-037F
0388-038D
0398-0399
03B4-03B5
03BA
03C0-03CA
Width FUNCTION
8-bit DMAC-1
8-bit PM2_CTRL register
8-bit PIC-1
8-bit TIMER
8-bit TIMER
8-bit Reset X-bus, IRQ12/M and IRQ1
8-bit NMI status and control, speaker
8-bit Keyboard Controller
8-bit CMOS Index and NMI enable
8-bit RTC data
8-bit Reserved
8-bit BIOS Port 80 [debug port]
8-bit DMA1/DMA2 page register
8-bit PIC-2
8-bit Advanced PM control (PCI bus only)
8-bit DMAC-2
8-bit Co-processor error
8-bit Processor unit ASIC PORTS
8-bit Channel 2 IDE
8-bit Channel 1 IDE
8-bit Legacy joystick port (does not exist)
8-bit Sound controller
8-bit Sound controller
8-bit COM4 [GPS]
8-bit COM2
8-bit Sound controller
8-bit Free (but will still be locked by the BIOS)
8-bit Sound controller
8-bit Parallel port
8-bit Sound controller
8-bit Super I/O
16-bit Video
16-bit Video
8-bit Video