STMicroelectronics Discovery kit for STM32 F030 Value line - with STM32F030R8 MCU STM32F0308-DISCO STM32F0308-DISCO Data Sheet

Product codes
STM32F0308-DISCO
Page of 39
Connecting modules on the prototyping board
UM1658
DocID025097 Rev 1
Arduino digital connector
32F0308DISCOVERY
D0
Digital pin 0 or RX
PA3
USART2_RX
D1
Digital pin 1 or TX
PA2
USART2_TX
D2
Digital pin 2 / External interrupt
PB12
EXTI (5V tolerant)
D3
Digital pin 3 / Ext int or PWM
PB11
EXTI (5V tolerant) or TIM2_CH4
D4
Digital pin 4 
PA7
GPIO (3V tolerant)
D5
Digital pin 5 or PWM
PB9
TIM17_CH1
D6
Digital pin 6 or PWM
PB8
TIM16_CH1
D7
Digital pin 7
PA6
GPIO (3V tolerant)
D8
Digital pin 8
PA5
GPIO (3V tolerant)
D9
Digital pin 9 or PWM
PA4
TIM14_CH1
D10
Digital pin 10 or CS or PWM
PA11
TIM1_CH4
D11
Digital pin 11 or MOSI or PWM
PB5
SPI1_MOSI or TIM3_CH2
D12
Digital pin 12 or MISO
PB4
SPI1_MISO
D13
Digital pin 13 or SCK
PB3
SPI1_SCK
GND
Reference Ground
GND
Reference Ground
AREF
ADC voltage reference
NC
Not connected
Arduino ICSP connector
32F0308DISCOVERY
1
MISO
PB4
SPI1_MISO
2
VCC 3.3V
3V
VDD
3
SCK
PB3
SPI1_SCK
4
MOSI
PB5
SPI1_MOSI
5
RST
NRST
Reset discovery
6
GND
GND
Reference Ground
Table 10. Connecting with Arduino shields (continued)