11.5.1.6 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
ValueDescription
020mV
140mV

Bits 8-7 BOR_TRIP_VDDA[1:0]

Bit 6 HYST_BOR_VDDA: 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

Bits 2-1 BOR_TRIP_VDDIO[1:0]

Bit 0 HYST_BOR_VDDIO
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:
  1. See BOR Electrical Specifications.
  2. See BOR Hysteresis Electrical Specifications.
  3. VDDA and AVDD are used interchangeably.