Backlight Interface; System Resources; Input/Output Address Areas; Overview Of The Internal Module Registers - Siemens SIMATIC IPC377G Operating Instructions Manual

8.5.3.5

Backlight interface

Pin
A1
A2
A3
A4
A5
A6
A7
A8
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:
Addresses
SIO logic device 8 CR F0h
SIO logic device 8 CR F1h
SIMATIC IPC377G
Operating Instructions, 07/2022, A5E51366314-AB
Short description
P12V_BKLT
P12V_BKLT
P12V_BKLT
F_BKLT_ON_R
NC
NC
NC
NC
Input/output unit
Watchdog control register (Page 86)
Watchdog counter register (Page 86)
Technical specifications
8.5 Hardware descriptions
Pin Short description
B1 M
B2 M
B3 M
B4 F_LBKLT_CTR
B5 F_LCD_OC_CON_N
B6 NC
B7 NC
B8 NC
85