Datasheet

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STM32F427xx STM32F429xx Electrical characteristics
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6.3.5 Reset and power control block characteristics
The parameters given in Table 22 are derived from tests performed under ambient
temperature and V
DD
supply voltage conditions summarized in Table 17.
Table 22. reset and power control block characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
PVD
Programmable voltage
detector level selection
PLS[2:0]=000 (rising edge) 2.09 2.14 2.19 V
PLS[2:0]=000 (falling edge) 1.98 2.04 2.08 V
PLS[2:0]=001 (rising edge) 2.23 2.30 2.37 V
PLS[2:0]=001 (falling edge) 2.13 2.19 2.25 V
PLS[2:0]=010 (rising edge) 2.39 2.45 2.51 V
PLS[2:0]=010 (falling edge) 2.29 2.35 2.39 V
PLS[2:0]=011 (rising edge) 2.54 2.60 2.65 V
PLS[2:0]=011 (falling edge) 2.44 2.51 2.56 V
PLS[2:0]=100 (rising edge) 2.70 2.76 2.82 V
PLS[2:0]=100 (falling edge) 2.59 2.66 2.71 V
PLS[2:0]=101 (rising edge) 2.86 2.93 2.99 V
PLS[2:0]=101 (falling edge) 2.65 2.84 2.92 V
PLS[2:0]=110 (rising edge) 2.96 3.03 3.10 V
PLS[2:0]=110 (falling edge) 2.85 2.93 2.99 V
PLS[2:0]=111 (rising edge) 3.07 3.14 3.21 V
PLS[2:0]=111 (falling edge) 2.95 3.03 3.09 V
V
PVDhyst
(1)
PVD hysteresis - 100 - mV
V
POR/PDR
Power-on/power-down
reset threshold
Falling edge 1.60 1.68 1.76 V
Rising edge 1.64 1.72 1.80 V
V
PDRhyst
(1)
PDR hysteresis - 40 - mV
V
BOR1
Brownout level 1
threshold
Falling edge 2.13 2.19 2.24 V
Rising edge 2.23 2.29 2.33 V
V
BOR2
Brownout level 2
threshold
Falling edge 2.44 2.50 2.56 V
Rising edge 2.53 2.59 2.63 V
V
BOR3
Brownout level 3
threshold
Falling edge 2.75 2.83 2.88 V
Rising edge 2.85 2.92 2.97 V
V
BORhyst
(1)
BOR hysteresis - 100 - mV
T
RSTTEMPO
(1)(2)
POR reset temporization 0.5 1.5 3.0 ms
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