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MPLAB ? ICE 4000
USER ’S GUIDE
Chapter 6. Complex and Internal Triggers
6.1
6.2
6.3
INTRODUCTION
In addition to the break and trigger functions discussed in Chapter 4. “Basic
Features” , MPLAB ICE 4000 has more advanced triggering features. These include
complex triggers for all devices and internal triggers for dsPIC devices.
HIGHLIGHTS
This chapter covers:
? Complex Triggers
? Internal Triggers
COMPLEX TRIGGERS
MPLAB ICE 4000 has a highly flexible and powerful triggering mechanism. A trigger is
a combination of events that can cause:
? a hardware breakpoint, 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 4000.
Complex trigger functions may be set using the Complex Trigger Settings tab of the
MPLAB ICE 4000 Analyzer dialog.
Note:
You must enable the Global Hardware Break Enable ( Debugger>Settings ,
Break Options tab) to use complex triggering.
?
?
?
?
?
Complex Trigger Settings
Complex Trigger Settings Syntax
Trigger Type Selection
Memory Selection
Complex Triggering Examples
6.4
COMPLEX TRIGGER SETTINGS
Complex triggers can be specified by selecting Debugger>Complex Triggers and Code
Coverage , Complex Trigger Settings tab. The Complex Trigger Settings tab will contain
different items depending on your selection of:
1. Trigger Type – Sequential, All Events, Any Event, Time Between Events or Filter
Trace
2. Memory – Program Memory or Data Memory
? 2004 Microchip Technology Inc.
DS51490A-page 33
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