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Connector
Pin number
Pin name
Signal name
Function
CN5
10
SCL/D15
ARD_D15
PB8
I2C1_SCL
9
SDA/D14
ARD_D14
PB9
I2C1_SDA
8
VREFP
VREFP
VREF+
Voltage reference
7
GND
-
-
GND
6
SCK/D13
ARD_D13
PA5
SPI1_SCK
5
MISO/D12
ARD_D12
PA6
SPI1_MISO
4
PWM/MOSI/D11
ARD_D11
PA7
TIM3_CH2/SPI1_MOSI
3
PWM/CS/D10
ARD_D10
PB6
TIM4_CH1/SPIx_CS
2
PWM/D9
ARD_D9
PC7
TIM3_CH2 or TIM8_CH2
1
D8
ARD_D8
PA9
IO
CN9
8
D7
ARD_D7
PA8
IO
7
PWM/D6
ARD_D6
PB10
TIM2_CH3
6
PWM/D5
ARD_D5
PB4
TIM3_CH1
5
D4
ARD_D4
PB5
IO
4
PWM/D3
ARD_D3
PB3
TIM2_CH2
3
D2
ARD_D2
PA10
IO
2
TX/D1
ARD_D1
PA2 /
PC4
LPUSART1_TX /
USART1_TX
1
RX/D0
ARD_D0
PA3 /
PC5
LPUSART1_RX /
USART1_RX
1. Default configuration is in bold.
7.4
ST morpho connectors CN7 and CN10
ST morpho connectors CN7 and CN10 are male pin headers accessible on both sides of the board. All signals
and power pins of the STM32G4 MCU are available on the morpho connectors. These connectors can also be
probed by an oscilloscope, logical analyzer, or voltmeter.
UM2505
ST morpho connectors CN7 and CN10
UM2505
-
Rev 2
page 31/43