20.5.2 Control B
| Name: | CTRLB |
| Offset: | 0x01 |
| Reset: | Loaded from fuse |
| Property: | - |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| LVL[2:0] | |||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | 0 | 0 | 0 | 0 | 0 | x | x | x | |
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).
| Value | Name | Typical Values |
|---|---|---|
0x0 |
BODLEVEL0 | 1.90V |
0x1 |
BODLEVEL1 | 2.45V |
0x2 |
BODLEVEL2 | 2.70V |
0x3 |
BODLEVEL3 | 2.85V |
Other |
— | Reserved |
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.