Motorola DigitalDNA ColdFire MCF5272 User Manual page 8

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5.4.2 Address Attribute Trigger Register (AATR) .................................................. 5-7
5.4.3 Address Breakpoint Registers (ABLR, ABHR) ............................................. 5-9
5.4.4 Configuration/Status Register (CSR).............................................................. 5-9
5.4.5 Data Breakpoint/Mask Registers (DBR, DBMR)......................................... 5-11
5.4.6 Program Counter Breakpoint/Mask Registers (PBR, PBMR)...................... 5-12
5.4.7 Trigger Definition Register (TDR) ............................................................... 5-13
5.5 Background Debug Mode (BDM) .................................................................... 5-15
5.5.1 CPU Halt....................................................................................................... 5-16
5.5.2 BDM Serial Interface.................................................................................... 5-17
5.5.2.1 Receive Packet Format ............................................................................. 5-18
5.5.2.2 Transmit Packet Format............................................................................ 5-18
5.5.3 BDM Command Set...................................................................................... 5-19
5.5.3.1 ColdFire BDM Command Format............................................................ 5-20
5.5.3.1.1
5.5.3.2 Command Sequence Diagrams................................................................. 5-21
5.5.3.3 Command Set Descriptions ...................................................................... 5-22
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 Real-Time Debug Support ................................................................................ 5-37
5.6.1 Theory of Operation...................................................................................... 5-38
5.6.1.1 Emulator Mode ......................................................................................... 5-39
5.6.2 Concurrent BDM and Processor Operation .................................................. 5-39
5.7 Processor Status, DDATA Definition............................................................... 5-40
5.7.1 User Instruction Set ...................................................................................... 5-40
5.7.2 Supervisor Instruction Set............................................................................. 5-44
5.8 Motorola-Recommended BDM Pinout............................................................. 5-45
6.1 Features ............................................................................................................... 6-1
6.2 Programming Model ........................................................................................... 6-3
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CONTENTS
Extension Words as Required............................................................... 5-20
Read A/D Register (rareg/rdreg) .......................................................... 5-23
Write A/D Register (wareg/wdreg) ...................................................... 5-24
Read Memory Location (read).............................................................. 5-25
Write Memory Location (write) ........................................................... 5-26
Dump Memory Block (dump) .............................................................. 5-28
Fill Memory Block (fill) ....................................................................... 5-30
Resume Execution (go) ........................................................................ 5-32
No Operation (nop)............................................................................... 5-33
Read Control Register (rcreg)............................................................... 5-34
Write Control Register (wcreg) ............................................................ 5-35
Read Debug Module Register (rdmreg) ............................................... 5-36
Write Debug Module Register (wdmreg) ............................................. 5-37
Chapter 6
System Integration Module (SIM)
MCF5272 User's Manual
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