Table 11. Arduino Connectors On Nucleo-F103Rb - ST STM32 Nucleo board User Manual

Hardware layout and configuration
Connect
or No.
Left connectors
CN6
power
CN8
analog
Right connectors
CN5
digital
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Table 11. Arduino connectors on NUCLEO-F103RB

Pin No. Pin name
1 NC
2 IOREF
3 RESET
4 +3V3
5 +5V
6 GND
7 GND
8 VIN
1 A0
2 A1
3 A2
4 A3
5 A4
6 A5
10 D15
9 D14
8 AREF
7 GND
6 D13
5 D12
4 D11
3 D10
2 D9
1 D8
DocID025833 Rev 4
MCU pin
-
-
NRST
-
-
-
-
-
PA0
PA1
PA4
PB0
(1)
PC1 or PB9 ADC_11 (PC1) or I2C1_SDA (PB9)
(1)
PC0 or PB8 ADC_10 (PC0) or I2C1_SCL (PB8)
PB8
PB9
-
-
PA5
PA6
PA7
PB6
PC7
PA9
Function
-
3.3V Ref
RESET
3.3V input/output
5V output
Ground
Ground
Power input
ADC_0
ADC_1
ADC_4
ADC_8
I2C1_SCL
I2C1_SDA
AVDD
Ground
SPI1_SCK
SPI1_MISO
TIM3_CH2 or SPI1_MOSI
TIM4_CH1 or SPI1_CS
TIM3_CH2
-
UM1724