User manual

Hardware layout and configuration UM1724
40/61 DocID025833 Rev 9
Table 18. Arduino connectors on NUCLEO-F446RE
CN No. Pin No. Pin name MCU pin Function
Left connectors
CN6
power
1NC - -
2 IOREF - 3.3V Ref
3 RESET NRST RESET
4 +3V3 - 3.3V input/output
5 +5V - 5V output
6 GND - Ground
7 GND - Ground
8 VIN - Power input
CN8
analog
1 A0 PA0 ADC123_IN0
2 A1 PA1 ADC123_IN1
3 A2 PA4 ADC12_IN4
4 A3 PB0 ADC12_IN8
5 A4 PC1 or PB9
(1)
1. Please refer to Table 9: Solder bridges for details.
ADC123_IN11 (PC1) or I2C1_SDA (PB9)
6 A5 PC0 or PB8(1) ADC123_IN10 (PC0) or I2C1_SCL (PB8)
Right connectors
CN5
digital
10 D15 PB8 I2C1_SCL
9 D14 PB9 I2C1_SDA
8 AREF - AVDD
7 GND - Ground
6 D13 PA5 SPI1_SCK
5 D12 PA6 SPI1_MISO
4 D11 PA7 TIM14_CH1 || SPI1_MOSI
3 D10 PB6 TIM4_CH1 || SPI1_CS
2 D9 PC7 TIM8_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