Input/Output Address Areas; Overview Of The Internal Module Registers; Watchdog Control Register - Siemens SIMATIC IPC327G Operating Instructions Manual

Technical specifications
7.5 Hardware descriptions
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.
7.5.5

Input/output address areas

7.5.5.1

Overview of the internal module registers

The following addresses are used for the internal registers:
Addresses
SIO logic device 8 CR F0h
SIO logic device 8 CR F1h
SIO logic device 8 CR F2h
SIO logic device 7 CR FDh
For more information and reference code for accessing to Super IO, contact Siemens
Technical support.
7.5.5.2

Watchdog control register

Bit
0
1
2
3
4 to 7
72
Input/output unit
Watchdog control register (Page 72)
Watchdog counter register (Page 73)
Watchdog state register (Page 73)
Battery status register (Page 73)
Read/Write Meaning of the bits
state
Read/Write Watchdog Timer I Pulse or Level mode select:
• 0: Pulse mode
• 1: Level mode
Read/Write Not used for watchdog
Read/Write Not used for watchdog
Read/Write Select Watchdog Timer I count mode.
• 0: Second Mode.
• 1: Minute Mode.
Reserved
Operating Instructions, 09/2021, A5E51366275-AA
SIMATIC IPC327G