STM32F051X4 STMICROELECTRONICS [STMicroelectronics], STM32F051X4 Datasheet - Page 50
STM32F051X4
Manufacturer Part Number
STM32F051X4
Description
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.STM32F051X4.pdf
(104 pages)
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STM32F051x
Typical current consumption
The MCU is placed under the following conditions:
●
●
●
●
●
●
●
●
Table 30.
I
I
Symbol
DD
DDA
V
All I/O pins are in analog input configuration
The Flash access time is adjusted to f
1 wait state above)
Prefetch is ON when the peripherals are enabled, otherwise it is OFF
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
A development tool is connected to the board and the parasitic pull-up current is around
30 µA
DD
=V
Supply current in Run
mode from V
supply
Supply current in Run
mode from V
supply
DDA
Typical current consumption in Run mode, code with data processing
running from Flash
=3.3 V
Parameter
DD
DDA
Doc ID 022265 Rev 3
Running from
HSE crystal
clock 8 MHz,
code
executing
from Flash
Conditions
PCLK
HCLK
48 MHz
36 MHz
32 MHz
24 MHz
16 MHz
8 MHz
4 MHz
2 MHz
1 MHz
500 kHz
48 MHz
36 MHz
32 MHz
24 MHz
16 MHz
8 MHz
4 MHz
2 MHz
1 MHz
500 kHz
= f
f
frequency (0 wait states from 0 to 24 MHz,
HCLK
HCLK
Peripherals
enabled
23.3
17.6
15.9
12.4
2.43
2.43
2.43
2.43
2.43
158
120
108
8.5
4.5
2.8
1.7
1.3
1.0
83
60
Electrical characteristics
Typ
Peripherals
disabled
11.5
2.43
2.43
2.43
2.43
2.43
158
120
108
9.0
8.0
7.5
5.2
3.0
1.9
1.3
1.0
0.9
83
60
Unit
51/105
mA
µA
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