[117] System: Reading address 0x40029618 blocks the device

This anomaly applies to IC Rev. Engineering A, build codes QIAA-AA0.

Symptoms

The debugger interface is lost. The device halts or seems to stop executing.

Conditions

Reading address 0x40029618ul, either directly from firmware or with the debugger (for example, using a memory window in the IDE).

Consequences

Crash. Need to power cycle the device and restart the debugging session.

Workaround

Do not read address 0x40029618ul.