STM32U545NET3QTR datasheet(145/283 Pages) STMICROELECTRONICS

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Table 40. Typical current consumption in Run mode on LDO, with different codes

running from flash memory in low-power mode, ICACHE ON (1-way), prefetch ON

Parameter

Conditions

Typ

Unit

Typ

Unit

Voltage

scaling

Code

1.8 V

3 V

3.3 V

1.8 V

3 V

3.3 V

IDD

(Run)

Supply

current in

Run mode

fHCLK = fMSI = 24 MHz,

all peripherals disabled,

Flash bank 2 in power down,

SRAM2 enabled,

SRAM1, SRAM4 in power down

Range 4

Reduced Code

1.55

64.58

µA/

MHz

CoreMark

1.50

62.50

SecureMark

1.65

68.75

Dhrystone 2.1

1.60

66.67

Fibonacci

1.20

50.00

while

1.10

45.83

Table 41. Typical current consumption in Run mode on LDO, with different codes

running from flash memory, ICACHE ON (1-way), prefetch ON(1)

Parameter

Conditions

Typ

Unit

Typ

Unit

Voltage

scaling

Code

1.8 V

3 V

3.3 V

1.8 V

3 V

3.3 V

IDD

(Run)

Supply

current in

Run mode

fHCLK = fMSI = 24 MHz,

all peripherals disabled,

Flash bank 2 in power down,

all SRAMs enabled

Range 4

Reduced Code

1.60

66.67

µA/

MHz

CoreMark

1.55

64.58

SecureMark

1.70

70.83

Dhrystone 2.1

1.65

68.75

Fibonacci

1.25

52.08

While(1)

1.15

47.92

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