STM32F107RB datasheet(42/95 Pages) STMICROELECTRONICS

42 / 95 page

Electrical characteristics

STM32F105xx, STM32F107xx

42/95

Doc ID 15274 Rev 4

On-chip peripheral current consumption

The current consumption of the on-chip peripherals is given in Table 19. 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 one peripheral clocked on (with only the clock applied)

ambient operating temperature and VDD supply voltage conditions summarized in

Table 6

Table 18.

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

RAM

Symbol

Parameter

Conditions

fHCLK

Typ(1)

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

Unit

All peripherals

enabled(2)

2. Add an additional power consumption of 0.8 mA per ADC for the 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

External clock(3)

3. External clock is 8 MHz and PLL is on when fHCLK > 8 MHz.

72 MHz

28.2

48 MHz

4.2

36 MHz

14.7

3.4

24 MHz

10.1

2.5

16 MHz

6.7

8 MHz

3.2

1.3

4 MHz

2.3

1.2

2 MHz

1.7

1.16

1 MHz

1.5

1.1

500 kHz

1.3

1.05

125 kHz

1.2

1.05

Running on high

speed internal RC

(HSI), AHB prescaler

used to reduce the

frequency

36 MHz

13.7

2.6

24 MHz

9.3

1.8

16 MHz

6.3

1.3

8 MHz

2.7

0.6

4 MHz

1.6

0.5

2 MHz

0.46

1 MHz

0.8

0.44

500 kHz

0.6

0.43

125 kHz

0.5

0.42

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