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MPLAB ? REAL ICE ?
IN-CIRCUIT EMULATOR
Chapter 7. Debug for 8- and 16-Bit Devices
7.1
7.2
7.3
INTRODUCTION
The following debug functions are specific to 8- and 16-bit devices.
? Data Capture and Runtime Watches
? Trace
DATA CAPTURE AND RUNTIME WATCHES
Data capture provides streaming data from a device to the following:
? Data Monitoring and Control Interface (DMCI) – Tools menu
A runtime watch provides updating of a variable in the following windows during
program execution instead of on halt:
? Watch – View menu
? File Register – View menu
? Special Function Register (SFR) – View menu
Data captures and runtime watches use the same resource. Therefore, setting one or
both uses the resource for the selected symbol.
To set up data captures and/or runtime watches:
1. Select View>Watch to open the Watch window to set up data capture and/or runt-
ime watches for specific data addresses. See Section 11.3.9 “Watch Window -
Data Capture/Runtime Watch” for more information.
2. Select Debugger>Settings and click the Clock tab. For data capture and trace,
the emulator needs to know the instruction cycle speed. (See
Section 11.5.6 “Settings Dialog, Clock Tab” for more information.) Enter your
information here.
3. Rebuild the project ( Project>Build All ) and reprogram the target device
( Debugger>Program ).
4. Run the program. View the data in a DMCI window or watch variable values
change in an MPLAB IDE window.
TRACE
This section will discuss the types of available trace for 8- and 16-bit devices and how
to use them. See Section 11.3.11 “Trace Window” for information on the trace
window.
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Requirements for Trace
How Trace Works
Types of Trace
Setting Up the Project for Trace
Setting Up Trace in MPLAB IDE
Running Trace
Tracing Tips
Disabling Trace
? 2008 Microchip Technology Inc.
DS51616B-page 67
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相关PDF资料
AC244006 KIT MPLAB REAL ICE TRACE
AC2626M6 PROBE TEMP 6" GENERAL PURP
AC300024 MOTOR STEPPER 2PHASE 8WIRE
AC300030 KIT ACOUSTIC ACCESSORY
ACM-16 CABLE MODULE FR3 16BIT 40-DIP
ACM-2X8 ACTIVE CABLE MODULE DUAL 8 BIT
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ACS9510EVB EVALUATION BOARD FOR ACS9510
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