Siemens SIMATIC IPC PX-39A PRO - Page 117

Hardware description
A.4 System resources
SIMATIC IPC PX-39A PRO
Operating Instructions, 11/2022, A5E51699950-AA
117
A.4 System resources
A.4.1 Currently allocated system resources
All system resources (hardware addresses, memory configuration, allocation of interrupts,
DMA channels) are assigned dynamically by the Windows® operating system, depending on
the hardware configuration, drivers and connected external devices. You can view the
current configuration of system resources or possible conflicts with Windows® as follows:
1. Press the "Windows key" and "R" simultaneously.
The "Run" dialog box opens.
2. Enter "msinfo32" in the "Open" field.
3. Confirm your entry with "OK".
A.4.2 I/O address allocation
A.4.2.1 Overview of the internal module registers
The following addresses are used for the internal registers:
I/O address (hex)
Input/output unit
280 h
Basic address
Base address + offset 0
GPIO port select register
Base address + offset 2
GPIO data register
Base address + offset 5
WDT control register
Base address + offset 6
WDT counter register
Base address + offset 7
WDT status register
The following tables describe the system resources for the factory state of the device.