Freescale Semiconductor Microcontrollers Manuel d'utilisateur télécharger pdf (Page 690)

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101

ColdFire On-Chip DBG Module

Trigger Module Settings Window

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Microcontrollers Debugger Manual

•A User Triggers mode, which provides two complex breakpoints, triggers A and B,

one complex watchpoint, trigger C, and two spares classic hardware breakpoints that

can bet as usual (not in the dialog).

•A Profile and Coverage mode, which provides code profiling and coverage

information when opening the Profiler and Coverage components. Note that these

features are not real time. The debugger can only access the DBG on-chip trace

buffer/FIFO when the device is halted. Therefore, in background, the debugger

regularly halts the device, retrieves debug information, then restarts the device, to

build a statistic program counter database. Refer to Profiling and Coverage Mode

Figure 31.3 General Usage Listbox

Automatic Mode

Automatic provides only two behaviors for the Trace window in the Trace Settings list

menu:

• Disabled: not recording any data and not displaying anything in the Trace window,

• Enabled: recording continuously. Each time the debugger is halted, the Trace

window is refreshed with the latest program flow recorded.

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Freescale Semiconductor Microcontrollers Manuel d'utilisateur Page 690

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