7.9.2.2 Brown-out Detector Configuration

The default value given in this fuse description is the factory-programmed value, and should 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 power-up.


Bit	7	6	5	4	3	2	1	0
	LVL[2:0]			SAMPFREQ	ACTIVE[1:0]		SLEEP[1:0]
Access	R	R	R	R	R	R	R	R
Reset	0	0	0	0	0	0	0	0

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:

Refer to BOD and POR Characteristics in the Electrical Characteristics section for further details
Values in the description are typical values

Value	Name	Description
0x0	BODLEVEL0	1.9V
0x1	BODLEVEL1	2.45V
0x2	BODLEVEL2	2.70V
0x3	BODLEVEL3	2.85V
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 Brown-out Detector section for further details.

Value	Name	Description
0x0	128HZ	The sample frequency is 128 Hz
0x1	32HZ	The sample frequency is 32 Hz

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

This value is loaded into the ACTIVE bit field of the BOD Control A (BOD.CTRLA) register during Reset. Refer to the Brown-out Detector section for further details.

Value	Name	Description
0x0	DISABLE	BOD disabled
0x1	ENABLE	BOD enabled in Continuous mode
0x2	SAMPLE	BOD enabled in Sampled mode
0x3	ENABLEWAIT	BOD enabled in Continuous mode. Execution is halted at wake-up until BOD is running.

Bits 1:0 – SLEEP[1:0] BOD Operation Mode in Sleep

The value is loaded into the SLEEP bit field of the BOD Control A (BOD.CTRLA) register during Reset. Refer to the Brown-out Detector section for further details.

Value	Name	Description
0x0	DISABLE	BOD disabled
0x1	ENABLE	BOD enabled in Continuous mode
0x2	SAMPLE	BOD enabled in Sampled mode
0x3	-	Reserved