STM32F410RB datasheet(20/142 Pages) STMICROELECTRONICS

20 / 142 page

Functional overview

STM32F410x8/B

20/142

DocID028094 Rev 5

3.13

Boot modes

At startup, boot pins are used to select one out of three boot options:

•

Boot from user Flash

•

Boot from system memory

•

Boot from embedded SRAM

The bootloader is located in system memory. It is used to reprogram the Flash memory by

using the interfaces described in Table 3.

Refer to Table 9: STM32F410x8/B pin definitions) for the GPIOs available on the selected

package.

For more detailed information on the bootloader, refer to Application Note: AN2606,

STM32™ microcontroller system memory boot mode.

3.14

Power supply schemes

•

VDD = 1.7 to 3.6 V: external power supply for I/Os with the internal supervisor

(POR/PDR) disabled, provided externally through VDD pins. Requires the use of an

external power supply supervisor connected to the VDD and PDR_ON pins.

•

VSSA, VDDA = 1.7 to 3.6 V: external analog power supplies for ADC, Reset blocks, RCs

and PLL. VDDA and VSSA must be connected to VDD and VSS, respectively, with

decoupling technique.

•

VBAT = 1.65 to 3.6 V: power supply for RTC, external clock 32 kHz oscillator and

backup registers (through power switch) when VDD is not present.

Table 3. Embedded bootloader interfaces

Package

USART1

USART2

I2C1

I2C2

I2C4 FM+

SPI1

SPI3

WLCSP36

PA2/PA3

PB6/PB7

PB10/PB3

PA15/PA5

/PB4/PB5

UFQFPN48

PA9/PA10

PB14/PB15

PA4/PA5/

PA6/PA7

LQFP64

PB10/PB11

PB12/PB13

/PC2/PC3

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