STM32F405XX_13 datasheet(2/185 Pages) STMICROELECTRONICS

Part #	STM32F405XX

Description	ARM Cortex-M4 32b MCUFPU, 210DMIPS, up to 1MB Flash/1924KB RAM, USB OTG HS/FS

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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2 / 185 page

Contents

STM32F405xx, STM32F407xx

2/185

DocID022152 Rev 4

Contents

1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.1

Full compatibility throughout the family . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.2

Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.2.1

ARM® Cortex™-M4F core with embedded Flash and SRAM . . . . . . . . 19

2.2.2

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

2.2.3

Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.2.4

Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.2.5

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

2.2.6

Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.2.7

Multi-AHB bus matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.2.8

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

2.2.9

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

2.2.10

Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 22

2.2.11

External interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . . 22

2.2.12

Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.2.13

Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.2.14

Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.2.15

Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.2.16

Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

2.2.17

Regulator ON/OFF and internal reset ON/OFF availability . . . . . . . . . . 28

2.2.18

Real-time clock (RTC), backup SRAM and backup registers . . . . . . . . 28

2.2.19

Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

2.2.20

VBAT operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.2.21

Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.2.22

Inter-integrated circuit interface (I²C) . . . . . . . . . . . . . . . . . . . . . . . . . . 33

2.2.23

Universal synchronous/asynchronous receiver transmitters (USART) . 33

2.2.24

Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.2.25

Inter-integrated sound (I2S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.2.26

Audio PLL (PLLI2S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.2.27

Secure digital input/output interface (SDIO) . . . . . . . . . . . . . . . . . . . . . 35

2.2.28

Ethernet MAC interface with dedicated DMA and IEEE 1588 support . 35

2.2.29

Controller area network (bxCAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

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