Motorola ColdFire MCF5282 User Manual download pdf (Page 63)

Chapter 3. Using the Monitor/Debug Firmware 3-21

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

Commands

HELP Help

Usage:HELP <command>

The HELP command displays a brief syntax of the commands available within dBUG. In addition,

the address of where user code may start is given. If command is provided, then a brief listing of

the syntax of the specified command is displayed.

Examples:

To obtain a listing of all the commands available within dBUG, the command is:

help

To obtain help on the breakpoint command, the command is:

help br

1 2 ... 58 59 60 61 62 63 64 65 66 67 68 ... 103 104

M5282EVB User's Manual 1
Contents 5
MOTOROLA Tables v 9
ILLUSTRATIONS 11
Chapter 1 13
1-2 M5282EVB User’s Manual 14
1.1 MCF5282 Microprocessor 15
1-4 M5282EVB User’s Manual 16
MCF5282 Microprocessor 16
Chapter 1. M5282EVB 1-5 17
1.2 System Memory 18
1.2.6 M5282EVB Memory Map 19
1.3 Support Logic 20
Chapter 1. M5282EVB 1-9 21
Support Logic 21
1.3.2 Clock Circuitry 22
1.3.3 Watchdog Timer 22
1.3.4 Exception Sources 23
1.3.5 TA Generation 23
1.4 Communication Ports 24
1.4.2 FlexCAN 2.0 B Port 25
1.4.3 10/100T Ethernet Port 26
1.4.4 BDM/JTAG Port 26
1.4.5 I 27
1.4.6 QSPI 28
1.5.1 Expansion Connectors 28
Table 1-18. J6 29
Table 1-19. J7 29
Table 1-17. J5 29
Table 1-20. J2 30
1.5.3 Reset Switch (S2) 31
1.5.4 User LEDs 32
1.5.5 Other LEDs 32
1.7 Software Development 33
1-22 M5282EVB User’s Manual 34
Software Development 34
2.1 System Configuration 35
6 - 12 V 36
Input Power 36
RS-232 Terminal 36
2.2 Installation and Setup 37
2-4 M5282EVB User’s Manual 38
Installation and Setup 38
Figure 2-3. Jumper Locations 40
2.4 Using The BDM Port 41
2-8 M5282EVB User’s Manual 42
Using The BDM Port 42
Chapter 3 43
3.2 Operational Procedure 44
3.2.2 System Initialization 45
3.3 Command Line Usage 46
3.4 Commands 47
3-6 M5282EVB User’s Manual 48
Commands 48
ASM Assembler 49
BC Block Compare 50
BF Block Fill 51
BM Block Move 52
BR Breakpoints 53
BS Block Search 54
DC Data Conversion 55
DI Disassemble 56
DL Download Console 57
DN Download Network 58
GO Execute 59
GT Execute To 60
IRD Internal Register Display 61
IRM Internal Register Modify 62
HELP Help 63
LR Loop Read 64
LW Loop Write 65
MD Memory Display 66
MM Memory Modify 67
MMAP Memory Map Display 68
RD Register Display 69
RM Register Modify 70
SET Set Configurations 72
SHOW Show Configurations 73
STEP Step Over 74
SYMBOL Symbol Name Management 75
TRACE Trace Into 76
UPDBUG Update dBUG 77
UPUSER Update User Flash 78
3.5 TRAP #15 Functions 79
3.5.2 IN_CHAR 80
3.5.3 CHAR_PRESENT 80
3.5.4 EXIT_TO_dBUG 81
3-40 M5282EVB User’s Manual 82
TRAP #15 Functions 82
Appendix A 83
Configuring dBUG for Network 83
Downloads 83
Appendix B 87
Schematics 87
Fire®Cold MCF5282 88
Evaluation Board - M5282EVB 88
CAN Bus Connector 89
- 9 way D-type (Female) 89
Cold Fire® 90
SDRAM Upper 16-bit Word 99
SDRAM Lower 16-bit Word 99
RS232 Transceiver 100
NOT POPULATED AT ASSEMBLY 100
Appendix C 101
Evaluation Board BOM 101

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Motorola ColdFire MCF5282 User Manual Page 63

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