STM32F301K8 datasheet(3/135 Pages) STMICROELECTRONICS

Part #	STM32F301K8

Description	ARM Cortex-M4 32-bit MCUFPU, up to 64 KB Flash, 16 KB SRAM, ADC, DAC, COMP, Op-Amp, 2.0 ??3.6 V

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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STM32F301x6 STM32F301x8

Contents

4

3.15.4

Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.15.5

Window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.15.6

SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.16

Real-time clock (RTC) and backup registers . . . . . . . . . . . . . . . . . . . . . . 24

3.17

Inter-integrated circuit interfaces (I2C) . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3.18

Universal synchronous/asynchronous receiver transmitter (USART) . . . 27

3.19

Serial peripheral interfaces (SPI)/Inter-integrated sound

interfaces (I2S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.20

Touch sensing controller (TSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.21

Infrared transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3.22

Development support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.22.1

Serial wire JTAG debug port (SWJ-DP) . . . . . . . . . . . . . . . . . . . . . . . . . 31

4

Pinouts and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

5

Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

6

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.1

Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.1.1

Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.1.2

Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.1.3

Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.1.4

Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.1.5

Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.1.6

Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

6.1.7

Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

6.2

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

6.3

Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

6.3.1

General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

6.3.2

Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . 58

6.3.3

Embedded reset and power control block characteristics . . . . . . . . . . . 58

6.3.4

Embedded reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

6.3.5

Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

6.3.6

Wakeup time from low-power mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

6.3.7

External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

6.3.8

Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

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