18.5.2 Control B

Name: CTRLB
Offset: 0x01
Reset: Loaded from fuse
Property: -

Bit 76543210 
 LVL[2:0] 
Access RRRRRRRR 
Reset 00000xxx 

Bits 2:0 – LVL[2:0] BOD Level

This bit field controls the BOD threshold level.

The Reset value is loaded from the BOD Level (LVL) bits in the BOD Configuration Fuse (FUSE.BODCFG).

ValueNameTypical Values
0x0BODLEVEL01.90V
0x1BODLEVEL12.45V
0x2BODLEVEL22.70V
0x3BODLEVEL32.85V
OtherReserved
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.