CD00237391 datasheet(69/177 Pages) STMICROELECTRONICS

69 / 177 page

STM32F20xxx

Electrical characteristics

Doc ID 15818 Rev 9

69/177

5.3.6

Supply current characteristics

The current consumption is a function of several parameters and factors such as the

operating voltage, ambient temperature, I/O pin loading, device software configuration,

operating frequencies, I/O pin switching rate, program location in memory and executed

binary code.

The current consumption is measured as described in Figure 18: Current consumption

measurement scheme.

All Run mode current consumption measurements given in this section are performed using

CoreMark code.

VBOR1

Brownout level 1

threshold

Falling edge

2.13

2.19

2.24

Rising edge

2.23

2.29

2.33

VBOR2

Brownout level 2

threshold

Falling edge

2.44

2.50

2.56

Rising edge

2.53

2.59

2.63

VBOR3

Brownout level 3

threshold

Falling edge

2.75

2.83

2.88

Rising edge

2.85

2.92

2.97

VBORhyst

(2)

BOR hysteresis

100

TRSTTEMPO

(2)(3) Reset temporization

0.5

1.5

3.0

IRUSH

(2)

InRush current on

voltage regulator

power-on (POR or

wakeup from Standby)

160

200

ERUSH

(2)

InRush energy on

voltage regulator

power-on (POR or

wakeup from Standby)

VDD = 1.8 V, TA = 105 °C,

IRUSH = 171 mA for 31 µs

5.4

µC

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

Guaranteed by design, not tested in production.

The reset temporization is measured from the power-on (POR reset or wakeup from VBAT) to the instant

when first instruction is read by the user application code.

Table 17.

Embedded reset and power control block characteristics (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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