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Table of Contents Paragraph Number Title Page Number Chapter 1 Overview 1.1 MCF5272 Key Features ................................................................................................................. 1-1 1.2 MCF5272 Architecture .................................................................................................................. 1-4 1.2.1 Version 2 ColdFire Core ..................................................................................................... 1-4 1.2.2 System Integration Module (SIM) ...................................................................................... 1-5 1.2.2.1 External Bus Interface .......................................................................................... 1-5 1.2.2.2 Chip Select and Wait State Generation ................................................................. 1-5 1.2.2.3 System Configuration and Protection ................................................................... 1-5 1.2.2.4 Power Management .............................................................................................. 1-6 1.2.2.5 Parallel Input/Output Ports ................................................................................... 1-6 1.2.2.6 Interrupt Inputs ..................................................................................................... 1-6 1.2.3 UART Module .................................................................................................................... 1-6 1.2.4 Timer Module ..................................................................................................................... 1-7 1.2.5 Test Access Port ................................................................................................................. 1-7 1.3 System Design .............................................................................................................................. 1-7 1.3.1 System Bus Configuration .................................................................................................. 1-7 1.4 MCF5272-Specific Features .......................................................................................................... 1-7 1.4.1 Physical Layer Interface Controller (PLIC) ....................................................................... 1-7 1.4.2 Pulse-Width Modulation (PWM) Unit ............................................................................... 1-8 1.4.3 Queued Serial Peripheral Interface (QSPI) ........................................................................ 1-8 1.4.4 Universal Serial Bus (USB) Module .................................................................................. 1-8 Chapter 2 ColdFire Core 2.1 Features and Enhancements ........................................................................................................... 2-1 2.1.1 Decoupled Pipelines ........................................................................................................... 2-1 2.1.1.1 Instruction Fetch Pipeline (IFP) ............................................................................ 2-2 2.1.1.2 Operand Execution Pipeline (OEP) ...................................................................... 2-2 2.1.1.2.1 Illegal Opcode Handling .............................................................................. 2-3 2.1.1.2.2 Hardware Multiply/Accumulate (MAC) Unit.............................................. 2-3 2.1.1.2.3 Hardware Divide Unit.................................................................................. 2-4 2.1.2 Debug Module Enhancements ............................................................................................ 2-4 2.2 Programming Model ...................................................................................................................... 2-4 2.2.1 User Programming Model .................................................................................................. 2-4 2.2.1.1 Data Registers (D0–D7) ....................................................................................... 2-5 MCF5272 ColdFire® Integrated Microprocessor User’s Manual, Rev. 3 Freescale Semiconductor xiii