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CHAPTER2 Dependence Functions
2.2.4.3 Data Event Break
This function uses breakpoints contained in the evaluation chip. The address mask,
data size, access type, and sequential mode can be set.
■ Data Event Break
This function uses breakpoints contained in the evaluation chip. The address mask, data size (byte/half
word/word), and access attributes (read/write) can be set.
Up to two breakpoints can be set and used in two modes.
1. OR mode (if a hit is found in either data event 1 or 2, break occurs)
2. Sequential mode (if a hit is found in data events 1 and 2 in this order, a break occurs)
When the data event break occurs, the following message appears at the status bar.
1. OR mode
Break at address by data event break (No: Data event number)
2. Sequential mode
Break a address by data event break (sequential)
■ How to set
Set the data event break as follows.
• Command
- SET DATAEVENT
- SET SEQUENCE/ON (only in sequential mode)
For details, refer to "3.24 SET DATAEVENT" in "SOFTUNE Workbench Command Reference
Manual".
• Dialog
- "Data" tab in event setting dialog
For details, refer to "4.6.5 Event" in "SOFTUNE Workbench Operation Manual".
Note:
In the DSU3 chip, the data event can be used as a break factor and a trace measurement start
factor. This mode is called a trace sampling mode. There are two trace sampling modes.
a. Full mode: The data event is used as a break factor.
b. Trigger mode: The data event is used as a trace measurement start factor.
To use the data event as a break factor, set the full mode.
Set as follows:
Command
- SET TRACE/FULL
For details, refer to "4.12 SET TRACE (type 2)" in "SOFTUNE Workbench Command
Reference Manual".
Dialog
- Trace setting dialog
For details, refer to "4.4.8 Trace" in "SOFTUNE Workbench Operation Manual".