This anomaly applies to Engineering A, build code QFAA-Axx.
Symptoms
Current consumption is higher than expected in System OFF mode.
Conditions
The device is entering System OFF mode too soon after a pin reset or power cycle.
Consequences
Current consumption is higher than expected.
Workaround
Apply the following workaround:
- Perform the following code: *(volatile uint32_t *) 0x5005340C =1;
- Ensure that 40 CPU cycles are executed before entering System OFF mode.