STM32L412RBT3XXX datasheet(91/192 Pages) STMICROELECTRONICS

91 / 192 page

DS12469 Rev 8

91/192

STM32L412xx

Electrical characteristics

164

Table 31. Typical current consumption in Run and Low-power run modes, with different codes

running from Flash, ART enable (Cache ON Prefetch OFF)

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)

2.05

µA/MHz

Coremark

2.30

Dhrystone 2.1

2.35

Fibonacci

2.25

While(1)

1.95

Reduced code(1)

7.30

µA/MHz

Coremark

8.15

102

Dhrystone 2.1

8.35

104

Fibonacci

8.10

101

While(1)

7.20

IDD_ALL

(LPRun)

Supply

current in

Low-power

run

fHCLK = fMSI = 2 MHz

all peripherals disable

Reduced code(1)

190

µA

µA/MHz

Coremark

205

103

Dhrystone 2.1

220

110

Fibonacci

205

103

While(1)

225

113

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

Table 32. Typical current consumption in Run, with different codes running from Flash,

ART enable (Cache ON Prefetch OFF) 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)

0.88

µA/MHz

Coremark

0.99

Dhrystone 2.1

1.01

Fibonacci

0.97

While(1)

0.84

Reduced code(2)

3.15

Coremark

3.52

Dhrystone 2.1

3.60

Fibonacci

3.49

While(1)

3.11

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