STM32F412XE datasheet(2/193 Pages) STMICROELECTRONICS | ARM-Cortex-M4 32b MCU+FPU, 125 DMIPS, 1MB Flash, 256KB RAM, USB OTG FS, 17 TIMs, 1 ADC, 17 comm. interfaces

Part No.	STM32F412XE

Description	ARM-Cortex-M4 32b MCUFPU, 125 DMIPS, 1MB Flash, 256KB RAM, USB OTG FS, 17 TIMs, 1 ADC, 17 comm. interfaces

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Contents

STM32F412xE/G

2/193

DocID028087 Rev 4

Contents

1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.1

Compatibility with STM32F4 series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3

Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.1

ARM® Cortex®-M4 with FPU core with embedded Flash and SRAM . . . 19

3.2

Adaptive real-time memory accelerator (ART Accelerator™) . . . . . . . . . 19

3.3

Batch Acquisition mode (BAM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.4

Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.5

Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.6

One-time programmable bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.7

CRC (cyclic redundancy check) calculation unit . . . . . . . . . . . . . . . . . . . 20

3.8

Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.9

Multi-AHB bus matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.10

DMA controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.11

Flexible static memory controller (FSMC) . . . . . . . . . . . . . . . . . . . . . . . . 22

3.12

Quad-SPI memory interface (QUAD-SPI) . . . . . . . . . . . . . . . . . . . . . . . . 22

3.13

Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . . 23

3.14

External interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.15

Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.16

Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.17

Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.18

Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.18.1

Internal reset ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.18.2

Internal reset OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.19

Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.19.1

Regulator ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.19.2

Regulator OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.19.3

Regulator ON/OFF and internal reset ON/OFF availability . . . . . . . . . . 31

3.20

Real-time clock (RTC) and backup registers . . . . . . . . . . . . . . . . . . . . . . 31

3.21

Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

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