STM32F070CB datasheet(43/83 Pages) STMICROELECTRONICS

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DocID027114 Rev 3

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STM32F070CB/RB/C6/F6

Electrical characteristics

Typical current consumption

The MCU is placed under the following conditions:

•

VDD = VDDA = 3.3 V

•

All I/O pins are in analog input configuration

•

The Flash access time is adjusted to fHCLK frequency:

–

0 wait state and Prefetch OFF from 0 to 24 MHz

–

1 wait state and Prefetch ON above 24 MHz

•

When the peripherals are enabled, fPCLK = fHCLK

•

PLL is used for frequencies greater than 8 MHz

•

AHB prescaler of 2, 4, 8 and 16 is used for the frequencies 4 MHz, 2 MHz, 1 MHz and

500 kHz respectively

1. Current consumption from the VDDA supply is independent of whether the digital peripherals are enabled or disabled, being

in Run or Sleep mode or executing from Flash or RAM. Furthermore, when the PLL is off, IDDA is independent from the

frequency.

Table 26. Typical and maximum consumption in Stop and Standby modes

Symbol

Parameter

Conditions

Typ @VDD

(VDD = VDDA)

Max(1)

Unit

3.6 V

TA = 85 °C

IDD

Supply current in

Stop mode

Regulator in run mode, all oscillators OFF

15.9

µA

Regulator in low-power mode, all oscillators OFF

3.7

Supply current in

Standby mode

LSI ON and IWDG ON

1.5

IDDA

Supply current in

Stop mode

VDDA monitoring ON

Regulator in run or low-

power mode, all

oscillators OFF

2.8

3.6

Supply current in

Standby mode

LSI ON and IWDG ON

3.5

LSI OFF and IWDG OFF

2.6

3.6

Supply current in

Stop mode

VDDA monitoring OFF

Regulator in run or low-

power mode, all

oscillators OFF

1.5

Supply current in

Standby mode

LSI ON and IWDG ON

2.2

LSI OFF and IWDG OFF

1.4

1. Data based on characterization results, not tested in production unless otherwise specified.

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