Microchip Technology megaAVR 0 Series Manual page 164

16.5.1 Control A
Name: CTRLA
Offset: 0x00
Reset: Loaded from fuse
Property: Configuration Change Protection
Bit 7
Access
Reset
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 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).
Value Description
0x0 Disabled
0x1 Enabled
0x2 Sampled
0x3 Reserved
©
2018 Microchip Technology Inc.
6 5
SAMPFREQ
4 3
ACTIVE[1:0]
R R
x x
Datasheet Preliminary
®
megaAVR 0-Series
Brown-Out Detector (BOD)
2 1
SLEEP[1:0]
R R/W
x x
DS40002015A-page 164
0
R/W
x