User's Manual

Table 9. ARDUINO
®
connector pinout
Connector Pin number Signal name STM32 pin Comment
CN6
1 - - Not connected (Reserved for the test)
2 3V3 (IOREF) - IOREF 3.3 V
3 NRST NRST NRST
4 3V3 - 3.3 V
5 5V - 5 V
6 GND - GND
7 GND - GND
8 VIN - External Supply Input (+12 V)
CN8
1 A0 PA4 ADC1_IN9
2 A1 PA6 ADC1_IN11
3 A2 PA1 ADC1_IN6
4 A3 PA0 ADC1_IN5
5 A4 PA2 ADC1_IN7
6 A5 PA3 ADC1_IN8
CN9
1 ARD_D0 PB7 USART1_RX
2 ARD_D1 PB6 USART1_TX
3 ARD_D2 PB0 GPIO
4 ARD_D3 PA12 GPIO
5 ARD_D4 PB1 GPIO/LPTIM2_IN1
6 ARD_D5 PA11 GPIO/TIM2_CH4
7 ARD_D6 PA8 GPIO/TIM1_CH1
8 ARD_D7 PE4 GPIO
CN5
1 ARD_D8 PB5 GPIO
2 ARD_D9 PA15 GPIO/TIM2_CH1
3 ARD_D10 PB2 SPI1_NSS
4 ARD_D11 PA7 SPI1_MOSI
5 ARD_D12 PB4 SPI1_MISO
6 ARD_D13 PA5 SPI1_SCK/TIM2_CH1
7 GND - GND
8 AVDD - VDDA
9 ARD_D14 PB9 I2C1_SDA
10 ARD_D15 PB8 I2C1_SCL
UM2823
ARDUINO® connector
UM2823 - Rev 1
page 25/37