46 UMT-7211
User
Manual
A. I/O Port Address Map
Each peripheral device in the system is assigned a set of I/O port addresses
which also becomes the identity of the device. The following table lists the I/O
port addresses used.
Address
Device Description
0x00000020-0x00000021 Programmable
interrupt controller
0x00000024-0x00000025 Programmable
interrupt controller
0x00000028-0x00000029 Programmable
interrupt controller
0x0000002C-0x0000002D Programmable
interrupt controller
0x00000030-0x00000031 Programmable
interrupt controller
0x00000034-0x00000035 Programmable
interrupt controller
0x00000038-0x00000039 Programmable
interrupt controller
0x0000003C-0x0000003D Programmable
interrupt controller
0x000000A0-0x000000A1
Programmable interrupt controller
0x000000A4-0x000000A5
Programmable interrupt controller
0x000000A8-0x000000A9
Programmable interrupt controller
0x000000AC-0x000000AD
Programmable interrupt controller
0x000000B0-0x000000B1
Programmable interrupt controller
0x000000B4-0x000000B5
Programmable interrupt controller
0x000000B8-0x000000B9
Programmable interrupt controller
0x000000BC-0x000000BD
Programmable interrupt controller
0x000004D0-0x000004D1
Programmable interrupt controller
0x00000A00-0x00000A0F Motherboard
resources
0x00000A10-0x00000A1F Motherboard
resources
0x00000A10-0x00000A1F Motherboard
resources
0x0000002E-0x0000002F Motherboard
resources
0x0000004E-0x0000004F Motherboard
resources
0x00000061-0x00000061 Motherboard
resources
0x00000063-0x00000063 Motherboard
resources
0x00000065-0x00000065 Motherboard
resources
0x00000067-0x00000067 Motherboard
resources
0x00000070-0x00000070 Motherboard
resources
0x00000070-0x00000070
System CMOS/real time clock
0x00000080-0x00000080 Motherboard
resources
0x00000092-0x00000092 Motherboard
resources
