ST STM32L5 Nucleo-144 board

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Table 17. Pinout of ARDUINO

-included Zio connector CN7

Pin Pin name Signal name

STM32

MCU

function

Pin Pin name Signal name

STM32

MCU

function

1 D16 SAI_C_MCLK PC6 SAI2_A 2 D15 I2C_A_SCL PB8 I2C1

3 D17 SAI_C_SD PD11 SAI2_A 4 D14 I2C_A_SDA PB9 I2C1

5 D18 SAI_C_SCK PB13 SAI2_A 6 VREFP - - -

7 D19 SAI_C_FS PD12 SAI2_A 8 GND - - -

9 D20 SAI_D_FS PA4

SAI1_B/

SPI3

10 D13 SPI_A_SCK PA5 SPI1

11 D21 SAI_D_MCLK PB4

SAI1_B/

SPI3

12 D12 SPI_A_MISO PA6 SPI1

13 D22

SAI_D_SD/

SPI_B_MOSI

PB5

SAI1_B/

SPI3

14 D11

SPI_A_MOSI /

TIM_E_PWM1

PA7 SPI1

15 D23

SAI_D_SCK/

SPI_B_SCK

PB3

SAI1_B/

SPI3

16 D10

SPI_A_CS /

TIM_B_PWM3

PD14

SPI1/

TIM4_CH3

17 D24 SPI_B_NSS PA4 SAI1/SPI3 18 D9 TIM_B_PWM2 PD15 TIM4_CH4

19 D25 SPI_B_MISO PB4 SAI1/SPI3 20 D8 IO PF12 -

Table 18. Pinout of ARDUINO

-included Zio connector CN8

Pin Pin name Signal name

STM32

ARD

function

Pin Pin name Signal name

STM32

MCU

function

1 NC NC - ARD RES 2 D43 SDMMC_D0 PC8 SDMMC1

3 IOREF IOREF -

ARD

IOREF

4 D44 SDMMC_D1 PC9 SDMMC1

5 NRST NRST NRST

ARD

RESET

6 D45 SDMMC_D2 PC10 SDMMC1

7 3V3 3V3 -

ARD 3V3

I/O

8 D46 SDMMC_D3 PC11 SDMMC1

9 5V 5V -

ARD 5V

Output

10 D47 SDMMC_CK PC12 SDMMC1

11 GND GND - ARD GND 12 D48 SDMMC_CMD PD2 SDMMC1

13 GND GND - ARD GND 14 D49 I/O PF3 -

15 VIN VIN - ARD VIN 16 D50 I/O PF5 -

Table 19. Pinout of ARDUINO

-included Zio connector CN9

names

Signal name

STM32

MCU

function

names

Signal name

STM32

MCU

function

1 A0 ADC PA3

ADC12_IN

2 D51

USART_B_SCL

PD7 USART2

3 A1 ADC PA2

ADC12_IN

4 D52 USART_B_RX PD6 USART2

5 A2 ADC PC3

ADC12_IN

6 D53 USART_B_TX PD5 USART2

7 A3 ADC PB0

ADC12_IN

8 D54 USART_B_RTS PD4 USART2

UM2581

Zio connectors supporting ARDUINO® Uno V3

UM2581 - Rev 2

page 35/48

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