Technical specifications
8.5 Hardware descriptions
SIMATIC IPC377G
Operating Instructions, 07/2022, A5E51366314-AB
85
8.5.3.5 Backlight interface
8.5.4 System resources
Currently allocated system resources
All system resources (hardware addresses, memory utilization, interrupt assignment, DMA
channels) are assigned dynamically by the Windows operating system, depending on the
hardware equipment, drivers and connected external devices. You can view the current
allocation of system resources or possible conflicts in the Control Panel.
Procedure
To view the system resources, proceed as follows:
1. Right-click the Windows Start menu and select "Device Manager".
2. Click on the View menu and turn on " Resources by type" or "Resources by connection".
All the interrupts show under the Interrupt request (IRQ) catalog.
8.5.5 Input/output address areas
8.5.5.1 Overview of the internal module registers
The following addresses are used for the internal registers:
SIO logic device 8 CR F0h
Watchdog control register (Page 86)
SIO logic device 8 CR F1h
Watchdog counter register (Page 86)
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