STM32F101X6 datasheet(30/74 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F101xx

30/74

5.3.4

Embedded reference voltage

The parameters given in Table 10 are derived from tests performed under ambient

temperature and VDD supply voltage conditions summarized in Table 7.

5.3.5

Supply current characteristics

The current consumption is measured as described in Figure 11: Current consumption

measurement scheme.

Maximum current consumption

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 except if it is explicitly mentioned

●

The Flash access time is adjusted to fHCLK frequency (0 wait state from 0 to 24 MHz, 1

wait state from 24 to 36 MHz)

●

Prefetch in on (reminder: this bit must be set before clock setting and bus prescaling)

●

When the peripherals are enabled fPCLK1 = fHCLK/2, fPCLK2 = fHCLK

The parameters given in Table 11 are derived from tests performed under ambient

temperature and VDD supply voltage conditions summarized in Table 7.

Table 10.

Embedded internal reference voltage

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VREFINT

Internal reference voltage

–40 °C < TA < +85 °C 1.16

1.20

1.24

TS_vrefint

(1)

Shortest sampling time can be determined in the application by multiple iterations.

ADC sampling time when reading

the internal reference voltage

5.1

17.1

µs

Table 11.

Maximum current consumption in Run mode, code with data processing

running from Flash

Symbol

Parameter

Conditions

fHCLK

Max(1)

Data based on characterization results, not tested in production.

Unit

TA = 85 °C

IDD

Supply current

in Run mode

External clock (2), all

peripherals enabled

External clock is 8 MHz and PLL is on when fHCLK > 8 MHz; external clock is 9 MHz for fHCLK = 36 MHz.

36 MHz

28.6

24 MHz

19.9

16 MHz

14.7

8 MHz

8.6

External clock (2), all

peripherals Disabled

36 MHz

19.8

24 MHz

13.9

16 MHz

10.7

8 MHz

6.8

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