Siemens SIMATIC IPC677E - Interrupt Assignments

Hardware descriptions
A.5 System resources
SIMATIC IPC677E
138 Operating Instructions, 04/2019, A5E45117996-AA
I/O address
(hex)
Size
[byte]
Description of the basic function
Alternative function
From
To
02E8
02EF
8
<Reserved>
Reserved for COM1 or COM2
02F0
02F7
8
<Not used>
02F8 02FF 8 COM2 Can be deactivated in setup, then
free
Reserved for COM1 or COM2
0300
0377
120
<Not used>
0378 037F 8 LPT1 Can be deactivated in setup, then
free
Reserved for LPT1
0380
03AF
48
<Not used>
03B0
03BB
12
Graphics
03BC
03BF
4
<Reserved>
03C0
03DF
32
Graphics
03E0
03E7
8
<Not used>
03E8
03EF
8
<Reserved>
Reserved for COM1 or COM2
03F0
03F7
8
<Not used>
03F8 03FF 8 COM1 Can be deactivated in setup, then
free
Reserved for COM1 or COM2
Dynamic range – resources are managed by means of Plug and Play functionality
I/O address
(hex)
Size
[byte]
Description of the basic function
Alternative function
From
To
0400
0453
84
Motherboard resources
04D0
04D1
2
Programmable interrupt controller
0680
069F
32
Motherboard resources
0800
087F
128
Motherboard resources
164E
164F
2
Motherboard resources
1800
18FE
255
Motherboard resources
1854
1857
4
Motherboard resources
Cascaded
2004
2007
4
Motherboard resources
FFFF
FFFF
1
Motherboard resources
A.5.3 Interrupt Assignments
The functions are assigned different interrupts, depending on the operating system. A
distinction is made between the PIC and APIC modes.