Disabling Embeddedice-Rt - ARM ARM966E-S Technical Reference Manual

Debug Support
8.8

Disabling EmbeddedICE-RT

8-18
You can disable EmbeddedICE-RT by setting the DBGEN input LOW.
Caution
Hard-wiring the DBGEN input LOW permanently disables debug access.
When DBGEN is LOW, it inhibits DBGDEWPT, DBGIEBKPT, and EDBGRQ to
the core, and DBGACK from the ARM966E-S is always LOW.
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