[93] NVMC: Writing to flash requires high voltage on VREGRADIO

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

Domains

Network

Symptoms

Writing to flash may corrupt its contents.

Conditions

Firmware is writing to network core flash.

Consequences

Flash write requires high voltage on VREGRADIO.

Workaround

Enable VREQCTRL->VREGRADIO.VREQH before writing to network core flash. This increases the RADIO TX power by 3 dB.