Power-on reset (POR) and brownout reset (BOR)

The device is supplied by VBUS or VBAT.

When one of the following conditions are met, a power-on reset (POR) occurs.

• VBUS > VBUS_POR
• VBAT > VBAT_POR

When both of the following conditions are met, a brownout reset (BOR) occurs.

• VBUS < VBUS_BOR
• VBAT < VBAT_BOR