STM32F412XE datasheet(102/201 Pages) STMICROELECTRONICS

tên linh kiện	STM32F412XE

Giải thích chi tiết về linh kiện	Arm®-Cortex®-M4 32b MCUFPU, 125 DMIPS, 1MB Flash, 256KB RAM, USB OTG FS, 17 TIMs, 1 ADC, 17 comm. interfaces

PDF	201 Pages

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Trang chủ	http://www.st.com

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102 / 201 page

Electrical characteristics

STM32F412xE/G

102/201

DocID028087 Rev 7

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 100 MHz. fPCLK1 = fHCLK/2, and fPCLK2 = fHCLK.

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

–

with all peripherals clocked off,

–

with only one peripheral clocked on,

–

scale 1 with fHCLK = 100 MHz,

–

scale 2 with fHCLK = 84 MHz,

–

scale 3 with fHCLK = 64 MHz.

•

Ambient operating temperature is 25 °C and VDD=3.3 V.

Table 37. Peripheral current consumption

Peripheral

IDD (Typ)

Unit

Scale 1

Scale 2

Scale 3

AHB1

GPIOA

1.84

1.75

1.55

µA/MHz

GPIOB

1.90

1.80

1.61

GPIOC

1.77

1.67

1.50

GPIOD

1.67

1.58

1.42

GPIOE

1.75

1.67

1.48

GPIOF

1.65

1.56

1.39

GPIOG

1.65

1.56

1.39

GPIOH

0.62

0.57

0.53

CRC

0.26

0.25

0.22

DMA1(1)

1,71N+2,98 1,62N+2,87 1,45N+2,58

DMA2(1)

1,78N+2,62 1,70N+2.53 1,52N+2.26

AHB2

RNG

0.77

0.74

0.66

USB_OTG_FS

19.68

18.73

16.78

AHB3

FSMC

5.36

5.11

4.56

QSPI

9.99

9.51

8.53

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