Control A

Name:
CTRLA
Offset:
0x00
Reset:
Loaded from fuse
Access:
Configuration Change Protection
Bit76543210
SAMPFREQACTIVE[1:0]SLEEP[1:0]
AccessRRRRRRR/WR/W
Reset000xxxxx

Bit 4 – SAMPFREQ: Sample Frequency

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).

ValueDescription
0x0 Sample frequency is 1 kHz
0x1 Sample frequency is 125 Hz

Bits 3:2 – ACTIVE[1:0]: Active

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.
ValueDescription
0x0 Disabled
0x1 Enabled
0x2 Sampled
0x3 Enabled with wake-up halted until BOD is ready

Bits 1:0 – SLEEP[1:0]: Sleep

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.

These bits are under Configuration Change Protection (CCP).

ValueDescription
0x0 Disabled
0x1 Enabled
0x2 Sampled
0x3 Reserved