Hardware Breakpoints - Analog Devices ADSP-21161N EZ-KIT Lite Manual

Using EZ-KIT Lite VisualDSP++ Interface
Normally, a core hang can be cleared by the board using a special
clear/abort bit. However, there are cases in which it is desirable or possible
not to clear the core hang. Sometimes it is desirable to wait for the core
hang to clear itself, such as when waiting for a host processor to read or
write data. In other cases, it is not possible to clear the core hang, and a
DSP reset must occur to continue the debugging session.
Table 2-7 describes the EZ-KIT Lite's core hang operations.
Table 2-7. Core Hang Operations
Option
Abort
Retry
Ignore
Clear
Acknowledge
Reset

Hardware Breakpoints

Hardware breakpoints work similarly to watchpoints. Set hardware break-
points on:
• Data transfers within a user-defined memory range
• Instructions
• Register reads and writes
2-12
Description
Abort the hung operation. This causes the offending instruction to be
aborted in the pipeline.
Allows you to remedy the hung operation. For example, if a host proces-
sor is holding off the DSP, you can cause the host to clear the hung condi-
tion.
Performs a software reset on the target board.
Aborts the hung operation. This causes the offending instruction to be
aborted in the pipeline.
Allows you to remedy the hung operation. For example, if a host proces-
sor is holding off the DSP, you can cause the host to clear the hung condi-
tion.
Performs a software reset on the target board.
ADSP-21161N EZ-KIT Lite Evaluation System Manual