STM32F107RB datasheet(35/95 Pages) STMICROELECTRONICS

35 / 95 page

STM32F105xx, STM32F107xx

Electrical characteristics

Doc ID 15274 Rev 4

35/95

5.3.2

Operating conditions at power-up / power-down

Subject to general operating conditions for TA.

Table 10.

Operating conditions at power-up / power-down

5.3.3

Embedded reset and power control block characteristics

The parameters given in Table 11 are derived from tests performed under ambient

temperature and VDD supply voltage conditions summarized in Table 9.

Symbol

Parameter

Conditions

Min

Max

Unit

tVDD

VDD rise time rate

µs/V

VDD fall time rate

Table 11.

Embedded 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)

2.1

2.18

2.26

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

2.08

2.16

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

2.19

2.28

2.37

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

2.09

2.18

2.27

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

2.28

2.38

2.48

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

2.18

2.28

2.38

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

2.38

2.48

2.58

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

2.28

2.38

2.48

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

2.47

2.58

2.69

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

2.37

2.48

2.59

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

2.57

2.68

2.79

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

2.47

2.58

2.69

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

2.66

2.78

2.9

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

2.56

2.68

2.8

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

2.76

2.88

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

2.66

2.78

2.9

VPVDhyst

(2)

PVD hysteresis

100

VPOR/PDR

Power on/power down

reset threshold

Falling edge

1.8(1)

1. The product behavior is guaranteed by design down to the minimum VPOR/PDR value.

1.88

1.96

Rising edge

1.84

1.92

2.0

VPDRhyst

(2)

PDR hysteresis

TRSTTEMPO

(2)

2. Guaranteed by design, not tested in production.

Reset temporization

2.5

4.5

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