19.5.1 Control A
| Name: | CTRLA |
| Offset: | 0x00 |
| Reset: | 0x00 |
| 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 | 0 | 0 | 0 | 0 | 0 | ||||
Bit 4 – SAMPFREQ Sample Frequency
This bit controls the BOD sample frequency.
The Reset value is loaded from the SAMPFREQ bit in FUSE.BODCFG.
| Value | Description |
|---|---|
| 0x0 | The sampling frequency is 128 Hz |
| 0x1 | The sampling frequency is 32 Hz |
Bits 3:2 – ACTIVE[1:0] Active
These bits select the BOD operation mode when the device is in Active mode or Idle sleep mode.
The Reset value is loaded from the ACTIVE bits in FUSE.BODCFG.
| Value | Name | Description |
|---|---|---|
| 0x0 | DISABLE | Disabled |
| 0x1 | ENABLED | Enabled in Continuous mode |
| 0x2 | SAMPLE | Enabled in Sampled mode |
| 0x3 | ENABLEWAIT | Enabled in Continuous mode. Execution is halted at wake-up until BOD is running. |
Bits 1:0 – SLEEP[1:0] Sleep
These bits select the BOD operation mode when the device is in Standby or Power-Down sleep mode.
The Reset value is loaded from the SLEEP bits in FUSE.BODCFG.
This bit is under Configuration Change Protection (CCP).
| Value | Name | Description |
|---|---|---|
| 0x0 | DISABLE | Disabled |
| 0x1 | ENABLED | Enabled in Continuous mode |
| 0x2 | SAMPLED | Enabled in Sampled mode |
| 0x3 | - | Reserved |