Datasheet

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STM32F411xC STM32F411xE Electrical characteristics
123
On-chip peripheral current consumption
The MCU is placed under the following conditions:
• At startup, all I/O pins are in analog input configuration.
• All peripherals are disabled unless otherwise mentioned.
• The ART accelerator is ON.
• Voltage Scale 2 mode selected, internal digital voltage V12 = 1.26 V.
• HCLK is the system clock at 84 MHz. f
PCLK1
= f
HCLK
/2, and f
PCLK2
= f
HCLK
.
The given value is calculated by measuring the difference of current consumption
– with all peripherals clocked off
– with only one peripheral clocked on
• Ambient operating temperature is 25 °C and V
DD
=3.3 V.
Table 33. Peripheral current consumption
Peripheral I
DD
(Typ) Unit
AHB1
(up to 100 MHz)
GPIOA 1.55
µA/MHz
GPIOB 1.55
GPIOC 1.55
GPIOD 1.55
GPIOE 1.55
GPIOH 1.55
CRC 0.36
DMA1
(1)
14.96
DMA1
(2)
1.54N+2.66
DMA2
(1)
14.96
DMA2
(2)
1.54N+2.66
APB1
(up to 50 MHz)
TIM2 11.19
µA/MHz
TIM3 8.57
TIM4 8.33
TIM5 11.19
PWR 0.71
USART2 3.33
I2C1/2/3 3.10
SPI2
(3)
2.62
SPI3
(3)
2.86
I2S2 1.90
I2S3 1.67
WWDG 0.71
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