STM32F730Z8 datasheet(94/202 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F730x8

94/202

DS12536 Rev 2

6.3.4

Operating conditions at power-up / power-down (regulator OFF)

Subject to general operating conditions for TA.

6.3.5

Reset and power control block characteristics

The parameters given in Table 22 are derived from tests performed under ambient

temperature and VDD supply voltage conditions summarized in Table 16.

Table 21. Operating conditions at power-up / power-down (regulator OFF)(1)

1. To reset the internal logic at power-down, a reset must be applied on pin PA0 when VDD reach below

1.08 V.

Symbol

Parameter

Conditions

Min

Max

Unit

tVDD

VDD rise time rate

Power-up

∞

µs/V

VDD fall time rate

Power-down

∞

tVCAP

VCAP_1 and VCAP_2 rise time rate Power-up

∞

VCAP_1 and VCAP_2 fall time rate

Power-down

∞

Table 22. reset and power control block characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VPVD

Programmable voltage

detector level selection

PLS[2:0]=000 (rising edge)

2.09

2.14

2.19

PLS[2:0]=000 (falling edge)

1.98

2.04

2.08

PLS[2:0]=001 (rising edge)

2.23

2.30

2.37

PLS[2:0]=001 (falling edge)

2.13

2.19

2.25

PLS[2:0]=010 (rising edge)

2.39

2.45

2.51

PLS[2:0]=010 (falling edge)

2.29

2.35

2.39

PLS[2:0]=011 (rising edge)

2.54

2.60

2.65

PLS[2:0]=011 (falling edge)

2.44

2.51

2.56

PLS[2:0]=100 (rising edge)

2.70

2.76

2.82

PLS[2:0]=100 (falling edge)

2.59

2.66

2.71

PLS[2:0]=101 (rising edge)

2.86

2.93

2.99

PLS[2:0]=101 (falling edge)

2.65

2.84

2.92

PLS[2:0]=110 (rising edge)

2.96

3.03

3.10

PLS[2:0]=110 (falling edge)

2.85

2.93

2.99

PLS[2:0]=111 (rising edge)

3.07

3.14

3.21

PLS[2:0]=111 (falling edge)

2.95

3.03

3.09

VPVDhyst(1) PVD hysteresis

100

VPOR/PDR

Power-on/power-down

reset threshold

Falling edge

1.60

1.68

1.76

Rising edge

1.64

1.72

1.80

VPDRhyst(1) PDR hysteresis

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