STM32F101XC datasheet(47/106 Pages) STMICROELECTRONICS

47 / 106 page

STM32F101xC, STM32F101xD, STM32F101xE

Electrical characteristics

Doc ID 14610 Rev 7

47/106

On-chip peripheral current consumption

The current consumption of the on-chip peripherals is given in Table 20. 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 7.

Table 19.

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

RAM

Symbol

Parameter

Conditions

fHCLK

Typ(1)

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

Typ(1)

Unit

All peripherals

enabled(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)

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

36 MHz

15.1

3.6

24 MHz

10.4

2.6

16 MHz

7.2

8 MHz

3.9

1.3

4 MHz

2.6

1.2

2 MHz

1.85

1.15

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

14.5

24 MHz

9.8

16 MHz

6.6

1.4

8 MHz

3.3

0.7

4 MHz

0.6

2 MHz

1.25

0.55

1 MHz

0.9

0.5

500 kHz

0.7

0.45

125 kHz

0.6

0.45

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