STM32L4A6RG datasheet(142/282 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L4A6xG

142/282

DS11584 Rev 8

Table 38. 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_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)

2.72

105

µA/MHz

Coremark

2.72

105

Dhrystone 2.1

2.65

102

Fibonacci

2.47

While(1)

2.37

Reduced code(1)

9.71

121

µA/MHz

Coremark

9.7

121

Dhrystone 2.1

9.48

119

Fibonacci

8.79

110

While(1)

8.45

106

IDD_ALL

(LPRun)

Supply

current in

Low-power

run

fHCLK = fMSI = 2 MHz

all peripherals disable

Reduced code(1)

258

µA

129

µA/MHz

Coremark

268

134

Dhrystone 2.1

240

120

Fibonacci

230

115

While(1)

255

128

1. Reduced code used for characterization results provided in Table 26, Table 28, Table 30.

Table 39. Typical current consumption in Run, with different codesrunning from

SRAM1 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)

1.17

µA/MHz

Coremark

1.17

Dhrystone 2.1

1.14

Fibonacci

1.07

While(1)

1.02

Reduced code(1)

3.49

Coremark

3.49

Dhrystone 2.1

3.41

Fibonacci

3.16

While(1)

3.04

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 26, Table 28, Table 30.

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