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
