STM32L4A6RG datasheet(139/282 Pages) STMICROELECTRONICS

139 / 282 page

DS11584 Rev 8

139/282

STM32L4A6xG

Electrical characteristics

252

Table 32. 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)

2.65

102

µA/MHz

Coremark

2.97

114

Dhrystone 2.1

3.1

119

Fibonacci

2.9

112

While(1)

2.43

Reduced code(1)

9.44

118

µA/MHz

Coremark

10.6

133

Dhrystone 2.1

10.9

136

Fibonacci

10.3

129

While(1)

8.66

108

IDD_ALL

(LPRun)

Supply

current in

Low-power

run

fHCLK = fMSI = 2 MHz

all peripherals disable

Reduced code(1)

274

µA

137

µA/MHz

Coremark

307

154

Dhrystone 2.1

308

154

Fibonacci

273

137

While(1)

258

129

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

Table 33. 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)

1.14

µA/MHz

Coremark

1.28

Dhrystone 2.1

1.34

Fibonacci

1.25

While(1)

1.05

Reduced code(2)

3.39

Coremark

3.81

Dhrystone 2.1

3.92

Fibonacci

3.70

While(1)

3.11

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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