STM32F334 datasheet(58/115 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F334x4 STM32F334x6 STM32F334x8

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DocID025409 Rev 5

I/O system current consumption

The current consumption of the I/O system has two components: static and dynamic.

I/O static current consumption

All the I/Os used as inputs with pull-up generate current consumption when the pin is

externally held low. The value of this current consumption can be simply computed by using

the pull-up/pull-down resistors values given in Table 50: I/O static characteristics.

Table 31. Typical current consumption in Sleep mode, code running from Flash or RAM

Symbol

Parameter

Conditions

fHCLK

Typ.

Unit

Peripherals

enabled

Peripherals

disabled

IDD

Supply current in

Sleep mode from

VDD supply

Running from HSE

crystal clock 8 MHz,

code executing from

Flash or RAM

72 MHz

51.8

6.3

64 MHz

46.4

5.7

48 MHz

35.0

4.40

32 MHz

23.7

3.13

24 MHz

18.0

2.49

16 MHz

12.2

1.85

8 MHz

6.2

0.99

4 MHz

3.68

0.88

2 MHz

2.26

0.80

1 MHz

1.55

0.76

500 kHz

1.20

0.74

125 kHz

0.89

0.72

IDDA(1) (2)

Supply current in

Sleep mode from

VDDA supply

72 MHz

239.0

236.7

µA

64 MHz

209.4

207.8

48 MHz

154.0

152.9

32 MHz

103.7

103.2

24 MHz

80.1

79.8

16 MHz

56.7

56.6

8 MHz

1.14

4 MHz

1.14

2 MHz

1.14

1 MHz

1.14

500 kHz

1.14

125 kHz

1.14

1. VDDA supervisor is OFF.

2. When peripherals are enabled, the power consumption of the analog part of peripherals such as ADC, DAC, Comparators,

OpAmp etc. is not included. Refer to the tables of characteristics in the subsequent sections.

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