STM32F405 datasheet(96/204 Pages) STMICROELECTRONICS

96 / 204 page

Electrical characteristics

STM32F405xx, STM32F407xx

96/203

DS8626 Rev 9

On-chip peripheral current consumption

The current consumption of the on-chip peripherals is given in Table 28. The MCU is placed

under the following conditions:

•

At startup, all I/O pins are configured as analog pins by firmware.

•

All peripherals are disabled unless otherwise mentioned

•

The code is running from Flash memory and the Flash memory access time is equal to

5 wait states at 168 MHz.

•

The code is running from Flash memory and the Flash memory access time is equal to

4 wait states at 144 MHz, and the power scale mode is set to 2.

•

The ART accelerator is ON.

•

The given value is calculated by measuring the difference of current consumption

–

with all peripherals clocked off

–

with one peripheral clocked on (with only the clock applied)

•

When the peripherals are enabled: HCLK is the system clock, fPCLK1 = fHCLK/4, and

fPCLK2 = fHCLK/2.

•

The typical values are obtained for VDD = 3.3 V and TA= 25 °C, unless otherwise

specified.

Table 28. Peripheral current consumption

Peripheral

IDD(Typ)(1)

Unit

Scale1

(up t 168 MHz)

Scale2

(up to 144 MHz)

AHB1

(up to 168 MHz)

GPIOA

2.70

2.40

µA/MHz

GPIOB

2.50

2.22

GPIOC

2.54

2.28

GPIOD

2.55

2.28

GPIOE

2.68

2.40

GPIOF

2.53

2.28

GPIOG

2.51

2.22

GPIOH

2.51

2.22

GPIOI

2.50

2.22

OTG_HS+ULPI

28.33

25.38

CRC

0.41

0.40

BKPSRAM

0.63

0.58

DMA1

37.44

33.58

DMA2

37.69

33.93

ETH_MAC

ETH_MAC_TX

ETH_MAC_RX

ETH_MAC_PTP

20.43

18.39

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