STM32L452VCU6TR datasheet(106/210 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L452xx

106/210

DocID029968 Rev 3

Table 36. Typical current consumption in Run and Low-power run modes, with different codes

running from Flash, ART disable

Symbol

Parameter

Conditions

TYP

Unit

TYP

Unit

Voltage

scaling

Code

25 °C

IDD_ALL

(Run)

Supply

current in

Run mode

fHCLK = fHSE up to

48 MHz included,

bypass mode

PLL ON above

48 MHz

all peripherals

disable

Reduced code(1)

2.75

106

µA/MHz

Coremark

2.50

Dhrystone 2.1

2.50

Fibonacci

2.30

While(1)

2.20

84.6

Reduced code(1)

8.85

111

µA/MHz

Coremark

8.15

102

Dhrystone 2.1

8.15

102

Fibonacci

7.55

While(1)

7.95

IDD_ALL

(LPRun)

Supply

current in

Low-power

run

fHCLK = fMSI = 2 MHz

all peripherals disable

Reduced code(1)

340

µA

170

µA/MHz

Coremark

380

190

Dhrystone 2.1

355

178

Fibonacci

355

178

While(1)

405

203

1. Reduced code used for characterization results provided in Table 27, Table 29, Table 31.

Table 37. Typical current consumption in Run modes, with different codes running from

Flash, ART disable and power supplied by external SMPS (VDD12 = 1.10 V)

Symbol

Parameter

Conditions(1)

TYP

Unit

TYP

Unit

Voltage

scaling

Code

25 °C

IDD_ALL

(Run)

Supply

current in

Run mode

fHCLK = fHSE up to

48 MHz included,

bypass mode

PLL ON above

48 MHz

all peripherals

disable

Reduced code(2)

1.19

µA/MHz

Coremark

1.08

Dhrystone 2.1

1.08

Fibonacci

0.99

While(1)

0.95

Reduced code(2)

3.18

Coremark

2.93

Dhrystone 2.1

2.93

Fibonacci

2.71

While(1)

2.86

1. All values are obtained by calculation based on measurements done without SMPS and using following parameters: SMPS

input = 3.3 V, SMPS efficiency = 85%, VDD12 = 1.10 V

2. Reduced code used for characterization results provided in Table 27, Table 29, Table 31.

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