STM32L071KB datasheet(62/136 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L071xx

62/136

DocID027101 Rev 3

Table 29. Current consumption in Run mode, code with data processing running from

Flash memory

Symbol

Parameter

Condition

fHCLK

(MHz)

Typ

Max(1)

Unit

IDD (Run

from Flash

memory)

Supply current in Run

mode code executed

from Flash memory

fHSE = fHCLK up to

16MHz included,

fHSE = fHCLK/2 above

16 MHz (PLL ON)(2)

Range3,

Vcore=1.2 V

VOS[1:0]=11

190

250

µA

345

380

650

670

Range2,

Vcore=1.5 V

VOS[1:0]=10

0,8

0,86

1,55

1,7

2,95

3,1

Range1,

Vcore=1.8 V

VOS[1:0]=01

81,9

2,1

3,55

3,8

6,65

7,2

MSI clock source

Range3,

Vcore=1.2 V

VOS[1:0]=11

0,065

130

µA

0,524

115

210

4,2

700

770

HSI clock source

(16MHz)

Range2,

Vcore=1.5 V

VOS[1:0]=10

2,9

3,2

Range1,

Vcore=1.8 V

VOS[1:0]=01

7,15

7,4

1. Guaranteed by characterization results at 125 °C, unless otherwise specified.

2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).

Table 30. Current consumption in Run mode vs code type,

code with data processing running from Flash memory

Symbol

Parameter

Conditions

fHCLK

Typ

Unit

IDD

(Run

from

Flash

memory)

Supply

current in

Run mode,

code

executed

from Flash

memory

fHSE = fHCLK up to

16 MHz included, fHSE

= fHCLK/2 above 16

MHz (PLL on)(1)

Range 3,

VCORE=1.2 V,

VOS[1:0]=11

Dhrystone

4 MHz

650

µA

CoreMark

655

Fibonacci

485

while(1)

385

while(1), 1WS,

prefetch off

375

Range 1,

VCORE=1.8 V,

VOS[1:0]=01

Dhrystone

32 MHz

6,65

CoreMark

6,9

Fibonacci

6,75

while(1)

5,8

while(1), prefetch off

5,5

1. Oscillator bypassed (HSEBYP = 1 in RCC_CR register).

STM32L071KB Datasheet(PDF) 62 Page - STMicroelectronics

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