PXD20RM Datasheet, PDF (1495/1628 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

Chapter 44
System Status and Configuration Module (SSCM)
44.1 Introduction
44.1.1 Overview
The System Status and Configuration Module (SSCM), pictured in Figure 44-1, provides central SOC
functionality. On devices with a separate Standby power domain, the System Status block is part of that
domain.
System Status and Configuration Module
RevID
Hardmacro
Debug
Port
Core
Logic
Bus
Interface
Peripheral
Bus
Interface
System
Status
Password
Comparator
Figure 44-1. System Status and Configuration Module Block Diagram
44.1.2 Features
The SSCM includes these distinctive features:
• System Configuration and Status
— Memory sizes/status
— Device Mode and Security Status
— Determine boot vector
— Search Code Flash for bootable sector
• Device identification information (MCU ID Registers)
Freescale Semiconductor
PXD20 Microcontroller Reference Manual, Rev. 1
Preliminary—Subject to Change Without Notice
44-1