STM32L412R8T3TR datasheet(93/192 Pages) STMICROELECTRONICS

93 / 192 page

DS12469 Rev 8

93/192

STM32L412xx

Electrical characteristics

164

Table 34. 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)

2.40

µA/MHz

Coremark

2.15

Dhrystone 2.1

2.20

Fibonacci

2.05

While(1)

1.90

Reduced code(1)

7.65

µA/MHz

Coremark

6.95

Dhrystone 2.1

7.00

Fibonacci

6.60

While(1)

6.85

IDD_ALL

(LPRun)

Supply

current in

Low-power

run

fHCLK = fMSI = 2 MHz

all peripherals disable

Reduced code(1)

275

µA

138

µA/MHz

Coremark

300

150

Dhrystone 2.1

315

158

Fibonacci

305

153

While(1)

385

193

1. Reduced code used for characterization results provided in Table 25, Table 27, Table 29.

Table 35. 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)

1.04

µA/MHz

Coremark

0.93

Dhrystone 2.1

0.95

Fibonacci

0.88

While(1)

0.82

Reduced code(2)

3.30

Coremark

3.00

Dhrystone 2.1

3.02

Fibonacci

2.85

While(1)

2.95

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 25, Table 27, Table 29.

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