[69] REGULATORS: VREGMAIN configuration is not retained in System OFF

This anomaly applies to IC Rev. Engineering A, build codes QKAA-AB0.

Domains

Application

Symptoms

Current consumption is excessive in System OFF mode.

Conditions

DC/DC mode is enabled in the VREGMAIN regulator and the device is in System OFF mode.

Consequences

Current consumption is higher than expected.

Workaround

Apply the following code after any reset: 

*((uint32_t *)0x5000470Cul) =0x65;
Parent topic: New and inherited anomalies