18.5.1 Control A
Name: | CTRLA |
Offset: | 0x00 |
Reset: | Loaded from fuse |
Property: | Configuration Change Protection |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
SAMPFREQ | ACTIVE[1:0] | SLEEP[1:0] | |||||||
Access | R | R | R | R/W | R/W | ||||
Reset | x | x | x | x | x |
Bit 4 – SAMPFREQ Sample Frequency
This bit selects the BOD sample frequency.
The Reset value is loaded from the SAMPFREQ bit in FUSE.BODCFG. This bit is under Configuration Change Protection (CCP).
Value | Description |
---|---|
0x0 | Sample frequency is 1 kHz |
0x1 | Sample frequency is 125 Hz |
Bits 3:2 – ACTIVE[1:0] Active
These bits select the BOD operation mode when the device is in Active or Idle mode.
The Reset value is loaded from the ACTIVE bits in FUSE.BODCFG.Value | Description |
---|---|
0x0 | Disabled |
0x1 | Enabled |
0x2 | Sampled |
0x3 | Enabled with wake-up halted until BOD is ready |
Bits 1:0 – SLEEP[1:0] Sleep
These bits are under Configuration Change Protection (CCP).
Value | Description |
---|---|
0x0 | Disabled |
0x1 | Enabled |
0x2 | Sampled |
0x3 | Reserved |