UM1724 Rev 14 39/68
UM1724 Hardware layout and configuration
67
Table 12. ARDUINO
®
connectors on NUCLEO-F103RB
Connector Pin Pin name STM32 pin Function
Left connectors
CN6 power
1NC
-
-
2 IOREF 3.3V Ref
3 RESET NRST RESET
4 +3.3V
-
3.3V input/output
5 +5V 5V output
6 GND ground
7 GND ground
8 VIN Power input
CN8 analog
1 A0 PA0 ADC_0
2 A1 PA1 ADC_1
3 A2 PA4 ADC_4
4 A3 PB0 ADC_8
5 A4 PC1 or PB9
(1)
ADC_11 (PC1) or I2C1_SDA (PB9)
6 A5 PC0 or PB8
(1)
ADC_10 (PC0) or I2C1_SCL (PB8)
Right connectors
CN5 digital
10 D15 PB8 I2C1_SCL
9 D14 PB9 I2C1_SDA
8AREF
-
AVDD
7 GND ground
6 D13 PA5 SPI1_SCK
5 D12 PA6 SPI1_MISO
4 D11 PA7 TIM3_CH2 or SPI1_MOSI
3 D10 PB6 TIM4_CH1 or SPI1_CS
2 D9 PC7 TIM3_CH2
1D8 PA9
-
CN9 digital
8D7 PA8
7 D6 PB10 TIM2_CH3
6 D5 PB4 TIM3_CH1
5 D4 PB5 -
4 D3 PB3 TIM2_CH2
3D2 PA10 -
2 D1 PA2 USART2_TX
1 D0 PA3 USART2_RX
1. Refer to Table 10: Solder bridges for details.
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