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STM32F091xB STM32F091xC Electrical characteristics

On-chip peripheral current consumption

The current consumption of the on-chip peripherals is given in Table 35. The MCU is placed

under the following conditions:

• All I/O pins are in analog mode

• All peripherals are disabled unless otherwise mentioned

• The given value is calculated by measuring the current consumption

– with all peripherals clocked off

– with only one peripheral clocked on

• Ambient operating temperature and supply voltage conditions summarized in Table 21:

Voltage characteristics

Table 35. Peripheral current consumption

Peripheral Typical consumption at 25 °C Unit

AHB

BusMatrix

(1)

3.1

µA/MHz

CRC 2.0

DMA1 5.5

DMA2 5.1

Flash memory interface 15.4

GPIOA 5.5

GPIOB 5.4

GPIOC 3.2

GPIOD 3.1

GPIOE 4.0

GPIOF 2.5

SRAM 0.8

TSC 5.5

All AHB peripherals 61.0

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