STM32L471RG datasheet(105/218 Pages) STMICROELECTRONICS

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STM32L471xx

Electrical characteristics

199

Table 30. 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(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)

3.1

119

µA/MHz

Coremark

2.9

111

Dhrystone 2.1

2.8

111

Fibonacci

2.7

104

While(1)

2.6

100

Reduced code(1)

10.0

125

µA/MHz

Coremark

9.4

117

Dhrystone 2.1

9.1

114

Fibonacci

9.0

112

While(1)

9.3

116

IDD(LPRun)

Supply

current in

Low-power

run

fHCLK = fMSI = 2 MHz

all peripherals disable

Reduced code(1)

358

µA

179

µA/MHz

Coremark

392

196

Dhrystone 2.1

390

195

Fibonacci

385

192

While(1)

385

192

1. Reduced code used for characterization results provided in Table 26, Table 27, Table 28.

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

running from SRAM1

Symbol

Parameter

Conditions

TYP

Unit

TYP

Unit

Voltage

scaling

Code

25 °C

IDD(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)

2.9

111

µA/MHz

Coremark

2.9

111

Dhrystone 2.1

2.9

111

Fibonacci

2.6

100

While(1)

2.6

100

Reduced code(1)

10.2

127

µA/MHz

Coremark

10.4

130

Dhrystone 2.1

10.3

129

Fibonacci

9.6

120

While(1)

9.3

116

IDD(LPRun)

Supply

current in

Low-power

run

fHCLK = fMSI = 2 MHz

all peripherals disable

Reduced code(1)

242

µA

121

µA/MHz

Coremark

242

121

Dhrystone 2.1

242

121

Fibonacci

225

112

While(1)

242

121

1. Reduced code used for characterization results provided in Table 26, Table 27, Table 28.

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