STM32L072X8 datasheet(69/147 Pages) STMICROELECTRONICS

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DocID027100 Rev 3

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STM32L072xx

Electrical characteristics

117

Table 32. Current consumption in Run mode, code with data processing running from RAM

Symbol

Parameter

Condition

fHCLK

(MHz)

Typ

Max(1)

Unit

IDD (Run

from RAM)

Supply current in Run

mode code executed

from RAM, Flash

memory switched off

fHSE = fHCLK up to

16 MHz included,

fHSE = fHCLK/2 above

16 MHz (PLL ON)(2)

Range3,

Vcore=1.2 V

VOS[1:0]=11

1175

230

µA

2315

360

4570

630

Range2,

Vcore=1.5 V

VOS[1:0]=10

40,71

0,78

81,35

1,6

2,7

Range1,

Vcore=1.8 V

VOS[1:0]=01

81,7

1,9

3,2

3,7

6,65

7,1

MSI clock

Range3,

Vcore=1.2 V

VOS[1:0]=11

0,065

µA

0,524

105

160

4,2

615

710

HSI clock source

(16 MHz)

Range2,

Vcore=1.5 V

VOS[1:0]=10

2,85

Range1,

Vcore=1.8 V

VOS[1:0]=01

6,85

7,3

Guaranteed by characterization results

at 125 °C, unless otherwise specified.

Oscillator bypassed (HSEBYP = 1 in RCC_CR register).

Table 33. Current consumption in Run mode vs code type,

code with data processing running from RAM(1)

Symbol

Parameter

Conditions

fHCLK

Typ

Unit

IDD (Run

from

RAM)

Supply current in

Run mode, code

executed from

RAM, Flash

memory switched

off

fHSE = fHCLK up to

16 MHz included,

fHSE = fHCLK/2 above

16 MHz (PLL on)(2)

Range 3,

VCORE=1.2 V,

VOS[1:0]=11

Dhrystone

4 MHz

570

µA

CoreMark

670

Fibonacci

410

while(1)

375

Range 1,

VCORE=1.8 V,

VOS[1:0]=01

Dhrystone

32 MHz

6,65

CoreMark

6,95

Fibonacci

5,9

while(1)

5,2

Guaranteed by characterization results, unless otherwise specified.

Oscillator bypassed (HSEBYP = 1 in RCC_CR register).

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