11.4.2.6 FUCFG3 - User Configuration Register 3 – SUPC Supply Monitor Overseer and Reference (SMOR) BOR Configuration

Name: FUCFG3

Offset: 0x004C, value after chip erase: 0x00000449

Bit 10 - HYST_BOR_VDDREG VDDREG BOR, (Brown-out Reset), Hysteresis Select

ValueDescription
020 mV
140 mV

Bit 8-7 : BOR_TRIP_AVDD AVDD BOR, (Brown-out Reset), Trip Point Select

Bit 6 - HYST_BOR_AVDD AVDD BOR, (Brown-out Reset), Hysteresis Select

BOR_TRIP_AVDDHYST_BOR_AVDD
ValueDescriptionValueDescription
0x001.67-1.71v020.0 mV
140.0 mV
0x012.19 – 2.22v062.5 mV
1125 mV
0x022.63-2.67v0100 mV
1200 mV
0x032.96-2.96v0125 mV
1300 mV

Bit 2-1 : BOR_TRIP_VDDIO VDDIO BOR, (Brown-out Reset), Trip Point Select

Bit 0 - HYST_BOR_VDDIO VDDIO BOR, (Brown-out Reset), Hysteresis Select

BOR_TRIP_VDDIOHYST_BOR_VDDIO
ValueDescriptionValueDescription
0x001.67-1.71v020.0 mV
140.0 mV
0x012.19 – 2.22v062.5 mV
1125 mV
0x022.63-2.67v0100 mV
1200 mV
0x032.96-2.96v0125 mV
1300 mV
Note: Both VDDIO and AVDD BOR configurations should be the same.