17.5.1 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 | R | R | R/W | R/W | |
Reset | 0 | 0 | 0 | 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 1kHz |
0x1 | Sample frequency is 125Hz |
Bits 3:2 – ACTIVE[1:0] Active
These bits selects 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.These bits are not under Configuration Change Protection (CCP).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).
The Reset value is loaded from the SLEEP bits in FUSE.BODCFG.Value | Description |
---|---|
0x0 | Disabled |
0x1 | Enabled |
0x2 | Sampled |
0x3 | Reserved |