MCF5272 データシートの表示（PDF） - Motorola => Freescale

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MCF5272

ColdFire® Integrated Microprocessor User’s Manual

Motorola => Freescale 

CONTENTS

Paragraph

Number

Title

Page

Number

5.4.5

5.4.6

5.4.7

5.5

5.5.1

5.5.2

5.5.2.1

5.5.2.2

5.5.3

5.5.3.1

5.5.3.1.1

5.5.3.2

5.5.3.3

5.5.3.3.1

5.5.3.3.2

5.5.3.3.3

5.5.3.3.4

5.5.3.3.5

5.5.3.3.6

5.5.3.3.7

5.5.3.3.8

5.5.3.3.9

5.5.3.3.10

5.5.3.3.11

5.5.3.3.12

5.6

5.6.1

5.6.1.1

5.6.2

5.7

5.7.1

5.7.2

5.8

Data Breakpoint/Mask Registers (DBR, DBMR)......................................... 5-11

Program Counter Breakpoint/Mask Registers (PBR, PBMR)...................... 5-12

Trigger Definition Register (TDR) ............................................................... 5-13

Background Debug Mode (BDM) .................................................................... 5-15

CPU Halt....................................................................................................... 5-15

BDM Serial Interface.................................................................................... 5-16

Receive Packet Format ............................................................................. 5-17

Transmit Packet Format............................................................................ 5-18

BDM Command Set...................................................................................... 5-18

ColdFire BDM Command Format............................................................ 5-19

Extension Words as Required............................................................... 5-20

Command Sequence Diagrams................................................................. 5-20

Command Set Descriptions ...................................................................... 5-22

Read A/D Register (rareg/rdreg) .......................................................... 5-22

Write A/D Register (wareg/wdreg) ...................................................... 5-23

Read Memory Location (read).............................................................. 5-23

Write Memory Location (write) ........................................................... 5-25

Dump Memory Block (dump) .............................................................. 5-26

Fill Memory Block (fill) ....................................................................... 5-28

Resume Execution (go) ........................................................................ 5-30

No Operation (nop)............................................................................... 5-30

Read Control Register (rcreg)............................................................... 5-31

Write Control Register (wcreg) ............................................................ 5-32

Read Debug Module Register (rdmreg) ............................................... 5-32

Write Debug Module Register (wdmreg) ............................................. 5-33

Real-Time Debug Support ................................................................................ 5-34

Theory of Operation...................................................................................... 5-34

Emulator Mode ......................................................................................... 5-36

Concurrent BDM and Processor Operation .................................................. 5-36

Processor Status, DDATA Definition............................................................... 5-37

User Instruction Set ...................................................................................... 5-37

Supervisor Instruction Set............................................................................. 5-41

Motorola-Recommended BDM Pinout............................................................. 5-42

6.1

6.2

6.2.1

6.2.2

6.2.3

Chapter 6

System Integration Module (SIM)

Features ............................................................................................................... 6-1

Programming Model ........................................................................................... 6-3

SIM Register Memory Map............................................................................ 6-3

Module Base Address Register (MBAR) ....................................................... 6-4

System Configuration Register (SCR)............................................................ 6-5

viii

MCF5272 User’s Manual

MOTOROLA

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