STM32F383RC datasheet(63/125 Pages) STMICROELECTRONICS

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STM32F383xx

Electrical characteristics

109

Typical current consumption

The MCU is placed under the following conditions:

•

VDD = 1.8 V, VDDA = VDDSD12 = VDDSD3 = 3.3 V

•

All I/O pins are in analog input configuration

•

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

1 wait state from 24 to 48 MHz and 2 wait states from 48 MHz to 72 MHz)

•

Prefetch is ON

•

When the peripherals are enabled, fAPB1 = fAHB/2, fAPB2 = fAHB

•

PLL is used for frequencies greater than 8 MHz

•

AHB prescaler of 2, 4, 8, 16 and 64 is used for the frequencies 4 MHz, 2 MHz, 1 MHz,

500 kHz and 125 kHz respectively

Table 30. Typical current consumption in Run mode, code with data processing running from

Flash

Symbol

Parameter

Conditions

fHCLK

Typ

Unit

Peripherals

enabled

Peripherals

disabled

IDD

Supply current in

Run mode from

VDD supply

Running from HSE

crystal clock 8 MHz,

code executing

from Flash, PLL on

72 MHz

61.0

28.6

64 MHz

54.7

25.7

48 MHz

42.0

20.0

32 MHz

28.5

13.7

24 MHz

21.8

10.5

16 MHz

14.6

7.3

Running from HSE

crystal clock 8 MHz,

code executing

from Flash, PLL off

8 MHz

7.5

3.8

4 MHz

4.3

2.2

2 MHz

2.5

1.4

1 MHz

1.6

1.0

500 kHz

1.2

0.8

125 kHz

0.9

0.6

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