12-1
Chapter 12 CPU Module Operating Principles
Table of Contents
12.1 CPU Module Operations ................................................................... 12-2
12.1.1 Procedure ................................................................................... 12-2
12.1.2 I/O Refreshing and Communication Service ..................................... 12-3
12.1.3 Execution Timing of Interrupts ....................................................... 12-3
12.2 CPU Module Operating Modes .......................................................... 12-4
12.2.1 Operating Modes .......................................................................... 12-4
12.2.2 Status and Operation under Different Operating Modes ..................... 12-4