8.10.2.2 Brown-Out Detector Configuration

The default value given in this fuse description is the factory-programmed value and may not be mistaken for the Reset value.

Name: BODCFG
Offset: 0x01
Reset: 0x00
Property: -

The bit values of this fuse register are written to the corresponding BOD configuration registers at start-up.

Bit 76543210 
 LVL[2:0]SAMPFREQACTIVE[1:0]SLEEP[1:0] 
Access RRRRRRRR 
Reset 00000000 

Bits 7:5 – LVL[2:0] BOD Level

This value is loaded into the LVL bit field of the BOD Control B (BOD.CTRLB) register during Reset.

Note: Values in the Description column are typical. Refer to the Electrical Characteristics chapter for further details.
ValueNameDescription
0x0 BODLEVEL0 1.65V
0x1 BODLEVEL1 1.90V
0x2 BODLEVEL2 2.60V
0x3 BODLEVEL3 4.30V
other - Reserved

Bit 4 – SAMPFREQ BOD Sample Frequency

This value is loaded into the Sample Frequency (SAMPFREQ) bit of the BOD Control A (BOD.CTRLA) register during Reset. Refer to the BOD - Brown-out Detector chapter for further details.
ValueNameDescription
0x0 128HZ The sample frequency is 128 Hz
0x1 32HZ The sample frequency is 32 Hz

Bits 3:2 – ACTIVE[1:0] BOD Operation in Active and Idle Sleep Mode

This value is loaded into the ACTIVE bit field of the BOD Control A (BOD.CTRLA) register during Reset. Refer to the BOD - Brown-out Detector chapter for further details.
ValueNameDescription
0x0 DISABLE BOD disabled
0x1 ENABLE BOD enabled in Continuous mode
0x2 SAMPLE BOD enabled in Sampled mode
0x3 ENABLEWAIT Enabled in continuous mode with code execution halted until the BOD is ready

Bits 1:0 – SLEEP[1:0] BOD Operation in Power Down and Standby Sleep Mode

The value is loaded into the SLEEP bit field of the BOD Control A (BOD.CTRLA) register during Reset. Refer to the BOD - Brown-out Detector chapter for further details.
ValueNameDescription
0x0 DISABLE BOD disabled
0x1 ENABLE BOD enabled in Continuous mode
0x2 SAMPLE BOD enabled in Sampled mode
0x3 - Reserved