STM32F078CB datasheet(56/120 Pages) STMICROELECTRONICS

56 / 120 page

Electrical characteristics

STM32F078CB, STM32F078RB, STM32F078VB

56/120

DocID026006 Rev 4

Typical current consumption

The MCU is placed under the following conditions:

•

VDD = VDDA = 1.8 V

•

All I/O pins are in analog input configuration

•

The Flash memory 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

Table 29. Typical current consumption, code executing from Flash memory,

running from HSE 8 MHz crystal

Symbol

Parameter

fHCLK

Typical consumption in

Run mode

Typical consumption in

Sleep mode

Unit

Peripherals

enabled

Peripherals

disabled

Peripherals

enabled

Peripherals

disabled

IDD

Current

consumption

from VDD

supply

48 MHz

22.0

12.7

14.2

3.2

36 MHz

17.1

9.9

10.8

2.5

32 MHz

15.4

8.9

9.7

2.2

24 MHz

11.9

7.0

7.5

1.8

16 MHz

8.3

4.9

5.2

1.3

8 MHz

4.4

2.7

0.7

4 MHz

2.7

1.7

1.8

0.6

2 MHz

1.6

1.1

1.2

0.6

1 MHz

1.1

0.8

0.9

0.5

500 kHz

0.9

0.7

0.8

0.5

IDDA

Current

consumption

from VDDA

supply

48 MHz

143

μA

36 MHz

112

32 MHz

102

24 MHz

16 MHz

8 MHz

4 MHz

2 MHz

1 MHz

500 kHz

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