Table 27. Typical Current Consumption, Code Executing From Flash; Running From Hse 8 Mhz Crystal - STMicroelectronics STM32F031F4 Manual

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Electrical characteristics
Typical current consumption
The MCU is placed under the following conditions:

V
DD

All I/O pins are in analog input configuration

The Flash access time is adjusted to f
–
–

When the peripherals are enabled, f

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
Symbol
I
DD
I
DDA
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= V = 3.3 V
DDA
0 wait state and Prefetch OFF from 0 to 24 MHz
1 wait state and Prefetch ON above 24 MHz

Table 27. Typical current consumption, code executing from Flash,

running from HSE 8 MHz crystal

f
HCLK
Parameter
48MHz
36 MHz
32 MHz
24 MHz
Current
16 MHz
from V
DD
8 MHz
supply
4 MHz
2 MHz
1 MHz
500 kHz
48MHz
36 MHz
32 MHz
24 MHz
Current
16 MHz
from V
DDA
8 MHz
supply
4 MHz
2 MHz
1 MHz
500 kHz
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frequency:
HCLK
= f
PCLK HCLK
Typical run mode
Peripheral
Peripheral
s enabled
s disabled
20.2 12.3
15.3 9.5
13.6 8.6
10.5 6.7
7.2 4.7
3.8 2.7
2.4 1.8
1.6 1.3
1.2 1.1
1.0 1.0
155
117
105
83
60
2.2
2.2
2.2
2.2
2.2
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STM32F031x4 STM32F031x6
Typical Sleep mode
Peripheral
Peripheral
s enabled
s disabled
11.1 2.9
8.4 2.4
7.5 2.2
5.9 1.8
4.1 1.4
2.3 0.9
1.7 0.9
1.2 0.8
1.0 0.8
0.9 0.8
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unit
mA
uA