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ColdFire CF4e Core User’s Manual
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CONTENTS
Paragraph
Number
Title
Page
Number
11.5.3.1
11.5.3.1.1
11.5.3.2
11.5.3.3
11.5.3.3.1
11.5.3.3.2
11.5.3.3.3
11.5.3.3.4
11.5.3.3.5
11.5.3.3.6
11.5.3.3.7
11.5.3.3.8
11.5.3.3.9
11.5.3.3.10
11.5.3.3.11
11.5.3.3.12
11.5.3.3.13
11.5.3.3.14
11.6
11.6.1
11.6.1.1
11.6.2
11.7
11.7.1
11.7.2
11.8
11.8.1
11.8.2
11.8.3
11.8.3.1
11.9
ColdFire BDM Command Format.......................................................... 11-33
Extension Words as Required............................................................. 11-33
Command Sequence Diagrams............................................................... 11-34
Command Set Descriptions .................................................................... 11-35
Read A/D Register (rareg/rdreg) ........................................................ 11-36
Write A/D Register (wareg/wdreg) .................................................... 11-37
Read Memory Location (read)............................................................ 11-38
Write Memory Location (write)......................................................... 11-39
Dump Memory Block (dump)............................................................ 11-41
Fill Memory Block (fill)..................................................................... 11-43
Resume Execution (go) ...................................................................... 11-45
No Operation (nop)............................................................................. 11-46
Synchronize PC to the PSTDDATA Lines (sync_pc)........................ 11-47
Force Transfer Acknowledge (force_ta)............................................. 11-47
Read Control Register (rcreg)............................................................. 11-49
Write Control Register (wcreg).......................................................... 11-52
Read Debug Module Register (rdmreg) ............................................. 11-53
Write Debug Module Register (wdmreg)........................................... 11-54
Real-Time Debug Support.............................................................................. 11-55
Theory of Operation.................................................................................... 11-55
Emulator Mode....................................................................................... 11-57
Concurrent BDM and Processor Operation................................................ 11-58
Debug C Definition of PSTDDATA Outputs ................................................ 11-58
User Instruction Set .................................................................................... 11-59
Supervisor Instruction Set........................................................................... 11-64
ColdFire Debug History.................................................................................. 11-65
ColdFire Debug Classic: The Original Definition...................................... 11-65
ColdFire Debug Revision B........................................................................ 11-66
ColdFire Debug Revision C........................................................................ 11-67
Debug Interrupts and Interrupt Requests (Emulator Mode)................... 11-67
Motorola-Recommended BDM Pinout........................................................... 11-68
Chapter 12
Test
12.1
12.1.1
12.1.2
12.1.3
12.2
12.2.1
12.2.2
Scan Chains....................................................................................................... 12-2
Core Scan Chains.......................................................................................... 12-2
Wrapper Scan Chains.................................................................................... 12-2
Scan Chains Block Diagram......................................................................... 12-3
Test Wrapper..................................................................................................... 12-3
Features......................................................................................................... 12-4
Wrapper Cells............................................................................................... 12-5
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Freescale Semiconductor, Inc.
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