33.7 BOD and POR Characteristics

Table 33-8. Power Supply Characteristics
SymbolDescriptionConditionMin.Typ.Max.Unit
SRONPower-on Slope--100V/ms
Table 33-9. Power-on Reset (POR) Characteristics
SymbolDescriptionConditionMin.Typ.Max.Unit
VPORPOR threshold voltage on VDD fallingVDD falls/rises at 0.5 V/ms or slower0.8-1.6V
POR threshold voltage on VDD rising1.4-1.8
Table 33-10. Brown-out Detection (BOD) Characteristics
SymbolDescriptionConditionMin.Typ.Max.Unit
VBODBOD triggering level (falling/rising)BODLEVEL73.94.24.5V
BODLEVEL22.42.62.9
BODLEVEL01.71.82.0
VVLMVLM threshold relative to BOD triggering levelBOD.VLMLVL = 0x0-4-%
BOD.VLMLVL = 0x1-13-
BOD.VLMLVL = 0x2-25-
VHYSHysteresisBODLEVEL7-80-mV
BODLEVEL2-40-
BODLEVEL0-25-
TBODDetection timeContinuous-7-µs
Sampled, 1 kHz-1-ms
Sampled, 125 Hz-8-
TStartStart-up timeTime from enable to ready-40-µs