Table 11. ARDUINO
®
connector pinout
Connector Pin number Pin name Signal name STM32 pin Function
CN6
1 NC - - Reserved for test
2 IOREF - - I/O reference
3 NRST NRST NRST RESET
4 3V3 - - 3.3 V input/output
5 5V - - 5 V output
6 GND - - GND
7 GND - - GND
8 VIN - - 7 to 12 V power input
CN8
1 A0 ADC PA0 ARD_A0_IN0
2 A1 ADC PA1 ARD_A1_IN1
3 A2 ADC PA4 ARD_A2_IN4
4 A3 ADC PB1 ARD_A3_IN18
5 A4 ADC PB9 orPA11 ARD_A4_IN11 || I2C_1_SCL
6 A5 ADC PB8 or PA12 ARD_A5_IN12 || I2C_1_SDA
CN5
10 SCL/D15 ARD_D15 PB8 I2C_1_SCL
9 SDA/D14 ARD_D14 PB9 I2C_1_SDA
8 AVDD VREF+ - VREF+
7 GND - - GND
6 SCK/D13 ARD_D13 PA5 SPI_1_SCK
5 MISO/D12 ARD_D12 PA6 SPI_1_MISO
4 PWM/MOSI/D11 ARD_D11 PA7 SPI_1_MOSI || TIM_14_CH1
3 PWM/CS/D10 ARD_D10 PB0 SPI_1_NSS ||TIM_3_CH3
2 PWM/D9 ARD_D9 PC7 TIM_3_CH2
1 D8 ARD_D8 PA9 I/O
CN9
8 D7 ARD_D7 PA15 I/O
7 PWM/D6 ARD_D6 PB5 TIM_3_CH3
6 PWM/D5 ARD_D5 PB4 TIM_3_CH1
5 D4 ARD_D4 PB10 I/O
4 PWM/D3 ARD_D3 PB3 TIM_1_CH2
3 D2 ARD_D2 PA10 I/O
2 TX/D1 ARD_D1 PB6 UART_1_TX
1 RX/D0 ARD_D0 PB7 UART_1_RX
7.2 CN7 and CN10 ST morpho connectors
The CN7 and CN10 ST morpho connectors are male pin headers accessible on both sides of the STM32
Nucleo-64 board (Refer to Figure 3). All STM32 signals and power pins except 1.2 V VDD_CORE are available
on the ST morpho connectors. These connectors can also be probed by an oscilloscope, logical analyzer, or
voltmeter.
The related pinout and the MCU assignment for the ST morpho connectors are listed in Figure 7.
UM2953
CN7 and CN10 ST morpho connectors
UM2953 - Rev 1
page 20/32
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