UM2153 datasheet(37/57 Pages) STMICROELECTRONICS

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UM2153

STM32L4 Discovery kit for IoT node I/O assignment

Appendix A

STM32L4 Discovery kit for IoT node I/O

assignment

Table 11. STM32L4 Discovery kit for IoT node I/O assignment

No.

Pin Name

Feature / Comment

Signal or Label

PE2

GPIO_Output

M24SR64-Y-RF_DISABLE

PE3

GPIO_EXTI3

USB_OTG_OVRCR_EXTI3

PE4

GPIO_EXTI4

M24SR64-Y-GPO

PE5

GPIO_EXTI5

SPSGRF-915-GPIO3_EXTI5

PE6

GPIO_EXTI6

SPBTLE-RF-IRQ_EXTI6

6VBAT

Voltage supply

VBAT

PC13

GPIO_EXTI13

BUTTON_EXTI13

PC14/OSC32_IN

RTC CLK

RCC_OSC32_IN

PC15/OSC32_OUT

RTC CLK

RCC_OSC32_OUT

VSS

GND

VDD

3.3 V

VDD_MCU

PH0/OSC_IN

8MHz CLK

RCC_OSC_IN

PH1/OSC_OUT

8MHz CLK

RCC_OSC_OUT

NRST

reset

STM_NRST

PC0

ADC1_IN1

ARD.A5-ADC

PC1

ADC1_IN2

ARD.A4-ADC

PC2

ADC1_IN3

ARD.A3-ADC

PC3

ADC1_IN4

ARD.A2-ADC

VSSA

GND

VREF-

GND

VREF+

3.3 V

VDDA

3.3 V

VDDA

PA0

UART4_TX

ARD.D1-UART4_TX

PA1

UART4_RX

ARD.D0-UART4_RX

PA2

TIM2_CH3

ARD.D10-SPI_SSN/PWM

PA3

GPIO_Output

ARD.D4

VSS

GND

VSS

VDD

3.3 V

VDD_MCU

PA4

GPIO_Output

ARD.D7

PA5

SPI1_SCK

ARD.D13-SPI1_SCK/LED1

PA6

SPI1_MISO

ARD.D12-SPI1_MISO

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