5.5.1.4 BOD Configuration Fuse

The default value given in this fuse description is the factory-programmed value and must not be mistaken for the Reset value.
Name: BODCFG
Offset: 0x018
Reset: 0xFFFFFFFF
Property: R/W

The bit group values of this fuse are written to the corresponding bit groups of the BOD VDD Control (BODVDD) register in the Supply Controller (SUPC) at start-up.

Bit 3130292827262524 
 WRTLOCK   VLMCFG[1:0]VLMLVL[1:0] 
Access R/WR/WR/WR/WR/W 
Reset 11111 
Bit 2322212019181716 
       LEVEL[1:0] 
Access R/WR/W 
Reset 11 
Bit 15141312111098 
    SAMPFREQ   ACTCFG 
Access R/WR/W 
Reset 11 
Bit 76543210 
  RUNSTDBYSTDBYCFG   ENABLE  
Access R/WR/WR/W 
Reset 111 

Bit 31 – WRTLOCK Write Lock

This bit value is loaded into the WRTLOCK bit in the SUPC.BODVDD register during Reset. Refer to the SUPC - Supply Controller chapter for further details.

ValueDescription
0x0 The BODVDD configuration is not locked
0x1 The BODVDD configuration is locked

Bits 27:26 – VLMCFG[1:0] Voltage Level Monitor Interrupt Configuration

This bit value is loaded into the VLMCFG bit in the SUPC.BODVDD register during Reset. Refer to the SUPC - Supply Controller chapter for further details.

ValueNameDescription
0x0 FALLING VDD falls below VLM threshold
0x1 RISING VDD rises above VLM threshold
0x2 BOTH VDD crosses VLM threshold

Bits 25:24 – VLMLVL[1:0] Voltage Level Monitor Level

This bit field value is loaded into the VLMLVL bit in the SUPC.BODVDD register during Reset. Refer to the SUPC - Supply Controller chapter for further details.

ValueNameDescription
0x0 OFF VLM disabled
0x1 5ABOVE VLM threshold is 5% above BOD threshold
0x2 15ABOVE VLM threshold is 15% above BOD threshold
0x3 25ABOVE VLM threshold is 25% above BOD threshold

Bits 17:16 – LEVEL[1:0] BOD Level

This bit field value is loaded into the LEVEL bit field in the SUPC.BODVDD register during Reset.
Note:
  1. Refer to the BOD and POR Characteristics in the Electrical Characteristics section for further details.
  2. Values in the description are typical values.
ValueNameDescription
0x0 BODLEVEL0 1.90V
0x1 BODLEVEL1 2.45V
0x2 BODLEVEL2 2.70V
0x3 BODLEVEL3 2.85V

Bit 12 – SAMPFREQ BOD Sampling Frequency

This bit value is loaded into the SAMPFREQ bit in the SUPC.BODVDD register during Reset. Refer to the SUPC - Supply Controller chapter for further details.
ValueNameDescription
0 128HZ The sample frequency is 128 Hz
1 32HZ The sample frequency is 32 Hz

Bit 8 – ACTCFG BOD Operation Mode in Active Mode

This bit value is loaded into the ACTCFG bit in the SUPC.BODVDD register during Reset. Refer to the SUPC - Supply Controller chapter for further details.
ValueNameDescription
0 ENABLE In active mode, the BOD operates in continuous mode
1 SAMPLE In active mode, the BOD operates in sampling mode

Bit 6 – RUNSTDBY Run in Standby

This bit value is loaded into the RUNSTDBY bit in the SUPC.BODVDD register during Reset. Refer to the SUPC - Supply Controller chapter for further details.

ValueDescription
0x0 The BOD is not running in Standby sleep mode
0x1 The BOD is running in Standby sleep mode if enabled by the ENABLE bit

Bit 5 – STDBYCFG BOD Configuration in Standby Sleep Mode

This bit value is loaded into the STDBYCFG bit in the SUPC.BODVDD register during Reset. Refer to the SUPC - Supply Controller chapter for further details.

ValueNameDescription
0x0 CONT In Standby sleep mode, the BOD is configured in continuous mode
0x1 SAMP In Standby sleep mode, the BOD is configured in sampling mode

Bit 1 – ENABLE BOD Enable

This bit value is loaded into the ENABLE bit in the SUPC.BODVDD register during Reset. Refer to the SUPC - Supply Controller chapter for further details.
ValueNameDescription
0 DISABLE BOD is disabled
1 ENABLE BOD is enabled