27.5.2 Control B

The Reset value is loaded from the BOD Level (LVL) bits in the BOD Configuration Fuse (FUSE.BODCFG).
Name: CTRLB
Offset: 0x01
Reset: 0xxx
Property: -

Bit 76543210 
      LVL[2:0] 
Access RRR 
Reset xxx 

Bits 2:0 – LVL[2:0] BOD Level

This bit field controls the BOD threshold level.

Note: BODLEVEL0 will only be enabled during chip erase. During normal operation, writing ‘0x0’ to this bit field will be the same as disabling the BOD.
Note: Values in the Typical Values column are typical values. Refer to the Electrical Characteristics section for further details.
ValueNameDescription
0x0 BODLEVEL0 1.9V
0x1 BODLEVEL1 2.45V
0x2 BODLEVEL2 2.70V
0x3 BODLEVEL3 2.85V
Other - Reserved