STM32F100C4 datasheet(43/84 Pages) STMICROELECTRONICS

43 / 84 page

STM32F100x4, STM32F100x6, STM32F100x8, STM32F100xB

Electrical characteristics

Doc ID 16455 Rev 2

43/84

On-chip peripheral current consumption

The current consumption of the on-chip peripherals is given in Table 18. The MCU is placed

under the following conditions:

●

all I/O pins are in input mode with a static value at VDD or VSS (no load)

●

all peripherals are disabled unless otherwise mentioned

●

the given value is calculated by measuring the current consumption

–

with all peripherals clocked off

–

with only one peripheral clocked on

●

ambient operating temperature and VDD supply voltage conditions summarized in

Table 5.

Table 17.

Typical current consumption in Sleep mode, code running from Flash or

RAM

Symbol Parameter

Conditions

fHCLK

Typical values(1)

Typical values are measures at TA = 25 °C, VDD = 3.3 V.

Unit

All peripherals

enabled(2)

Add an additional power consumption of 0.8 mA for the ADC and of 0.5 mA for the DAC analog part. In

applications, this consumption occurs only while the ADC is on (ADON bit is set in the ADC_CR2 register).

All peripherals

disabled

IDD

Supply

current in

Sleep

mode

Running on high-speed

external clock with an

8 MHz crystal(3)

AHB prescaler used to reduce the frequency (when fHCLK > 8 MHz).

24 MHz

9.8

2.6

16 MHz

8 MHz

3.8

1.3

4 MHz

2.5

1.2

2 MHz

1.7

1.1

1 MHz

1.35

500 kHz

1.1

125 kHz

0.95

Running on high-speed

internal RC (HSI)

24 MHz

9.6

16 MHz

6.8

1.4

8 MHz

3.2

0.7

4 MHz

1.9

0.55

2 MHz

1.1

0.46

1 MHz

0.75

0.41

500 kHz

0.56

0.39

125 kHz

0.43

0.37

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