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MMDS Target Component
4.10 Bus Analyzer
4–37MMDS0508 Target Interface
For a PC: Any valid communication device (COM1,COM2,etc.).
Example:COMDEV=COM2
For SUN:Any valid communication device (/dev/ttya, etc.).
Example:comdev=/dev/ttyb
4.9.1.2 BAUDRATE
This parameter specifies the communication baud rate between the host computer and
the target system. The debugger default is 9600 baud, but you may set any of these
baud rates:
1200, 2400, 4800, 9600, 19200, 28800,
38400, 57600, 115200.
Example:BAUDRAUTE=19200
4.9.1.3 SHOWPROT
This parameter specifies whether to report commands and responses in the command
line window. To have the system report the commands and responses, give this
parameter the value 1. To have the system not do this reporting, give this parameter
the value 0. (Another way to specify reporting is checking the Show Protocol
checkbox of the Communication Device Specification dialog box.)
Please see the section Communication Configuration, Communication Device
Specification.
4.10 Bus Analyzer
4.10.1 Introduction to the Bus Analyzer
Except for emulating the target-system MCU, the most important feature that a
microcontroller development tool can offer is analyzing program execution activities
on the target MCU bus. This analysis lets you determine what is occurring in a system,
without actually affecting the system.
NOTE
The MMDS0508 bus analyzer shows the logical state of the MCU
bus. It does not show signal hold or setup times.
Freescale Semiconductor, Inc.
For More Information: www.freescale.com
- MMDS0508 1
- Target Interface 1
- How to Contact Metrowerks 2
- Table of Contents 3
- General Description 5
- 1.3 System Components 6
- Installation 9
- Freescale Semiconductor, Inc 10
- 2.3 Installing the EM 13
- 2.4 Removing the EM 13
- 2.5 Making Cable Connections 14
- 2.5.3 Target Cable Connection 15
- 2.5.4 Power Connection 15
- Connector Information 17
- MMDS Target Component 23
- 4.2 General 24
- Abbreviations 25
- 4.8 MMDS0508 Menu Entries 29
- 4.8.1 Communication Baud Rate 30
- 4.8.2 Memory Configuration 31
- 4.8.4 Signals Emulation 34
- 4.8.5 Bus Tracing 35
- 4.9 Default Target Setup 36
- 4.10 Bus Analyzer 37
- 4.10.2 Using the Bus Analyzer 38
- 4.10.3 Collecting Data 46
- 4.10.4 Viewing Collected Data 47
- 4.10.5 Scrolling the Display 53
- Appendix 59
- A.1.2 Trigger Commands 60
- A.1.3 Bus Analyzer Commands 66
- A.1.5 Reset Commands 77
- A.1.6 Other Commands 78
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