
MOTOROLA
Chapter 6. System Configuration and Protection
6-3
System Configuration and Protection Features
Figure 6-1. System Configuration and Protection Logic
6.1
System Configuration and Protection Features
The system configuration and protection sub-module provides features described in the
following sections.
6.1.1
System Configuration
The SIU allows the configuration of the system according to the particular requirements.
The functions include control of show cycle operation, pin multiplexing, and internal
memory map location. System configuration also includes a register containing part and
mask number constants to identify the part in software.
System configuration registers include the SIU module configuration register (SIUMCR),
Interrupt
Controller
Bus
Monitor
Periodic Interrupt
Timer
Software
Watchdog Timer
Decrementer
Time Base Counter
Real-Time
Clock
TEA
Interrupt
Interrupt or
System Reset
Interrupt
Module
Configuration
Decrementer
Exception
TA
Internal and
External Interrupt Requests
TS