32F030F4P6 datasheet(33/93 Pages) STMICROELECTRONICS

33 / 93 page

DS9773 Rev 4

33/93

STM32F030x4/x6/x8/xC

Pinouts and pin descriptions

PB6

I/O FTf

I2C1_SCL,

USART1_TX,

TIM16_CH1N

PB7

I/O FTf

I2C1_SDA,

USART1_RX,

TIM17_CH1N,

USART4_CTS(5)

BOOT0

Boot memory selection

PB8

I/O FTf

(6)

I2C1_SCL,

TIM16_CH1

PB9

I/O FTf

I2C1_SDA,

IR_OUT,

SPI2_NSS(5),

TIM17_CH1,

EVENTOUT

VSS

Ground

VDD

Digital power supply

1. PC13, PC14 and PC15 are supplied through the power switch. Since the switch only sinks a limited amount of current

(3 mA), the use of GPIOs PC13 to PC15 in output mode is limited:

- The speed should not exceed 2 MHz with a maximum load of 30 pF.

- These GPIOs must not be used as current sources (e.g. to drive an LED).

2. This feature is available on STM32F030x6 and STM32F030x4 devices only.

3. This feature is available on STM32F030x8 devices only.

4. For STM32F030x4/6/8 devices only.

5. For STM32F030xC devices only.

6. On LQFP32 package, PB2 and PB8 should be treated as unconnected pins (even when they are not available on the

package, they are not forced to a defined level by hardware).

7. After reset, these pins are configured as SWDIO and SWCLK alternate functions, and the internal pull-up on SWDIO pin

and internal pull-down on SWCLK pin are activated.

Table 11. STM32F030x4/6/8/C pin definitions (continued)

Pin number

Pin name

(function after

reset)

Notes

Pin functions

Alternate functions

Additional functions

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