Microchip Technology MPLAB ICE, User Manual

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MPLAB
®
ICE User’s Guide
DS51159B-page 98

2001 Microchip Technology Inc.
6.3 Using Complex Triggering
MPLAB ICE has a highly flexible and powerful triggering mechanism. A trigger
is a combination of events that can cause:
• a hardware break point, and/or
• a trace memory capture.
An event is a description of the state of the system captured during one cycle.
In addition, an external signal can be generated when the trigger occurs. This
is useful for synchronizing other analyzers or equipment to MPLAB ICE.
A simple complex trigger break point may be set using the right mouse button
(Section 5.9.1). Other complex trigger functions may be set using the
Complex Trigger Settings Dialog.
6.3.1 Complex Trigger Settings Dialog
Complex triggers can be specified by selecting Debug>Complex Trigger
Settings. The Complex Trigger Settings dialog will look different depending on
your selection of:
1. Memory Access - Program Memory or Data Memory
2. Events - Sequential, All Events, Any Event, Time Between Events or
Filter Trace
Figure 6.1 shows what the dialog will look like for program memory access
selection and sequential event selection. This is the typical layout of a tab in
this dialog.
Figure 6.1: Complex Trigger - Program Memory, Sequential
1
2