STM32F407IG datasheet(81/167 Pages) STMICROELECTRONICS

81 / 167 page

STM32F405xx, STM32F407xx

Electrical characteristics

Doc ID 022152 Rev 2

81/167

On-chip peripheral current consumption

The current consumption of the on-chip peripherals is given in Table 24. 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.

●

ART accelerator and Cache off.

●

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 24.

Peripheral current consumption

Peripheral(1)

168 MHz

144 MHz

Unit

AHB1

GPIO A

0.49

0.36

GPIO B

0.45

0.33

GPIO C

0.45

0.34

GPIO D

0.45

0.34

GPIO E

0.47

0.35

GPIO F

0.45

0.33

GPIO G

0.44

0.33

GPIO H

0.45

0.34

GPIO I

0.44

0.33

OTG_HS + ULPI

4.57

3.55

CRC

0.07

0.06

BKPSRAM

0.11

0.08

DMA1

6.15

4.75

DMA2

6.24

4.8

ETH_MAC +

ETH_MAC_TX

ETH_MAC_RX

ETH_MAC_PTP

3.28

2.54

AHB2

OTG_FS

4.59

3.69

DCMI

1.04

0.80

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