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DocID025833 Rev 4 41/55

UM1724 Hardware layout and configuration

Warning: PWM is not supported by D10 on STM32L053 since the timer

is not available on PB6.

CN9

digital

8D7 PA8 -

7 D6 PB10 TIM2_CH3

6 D5 PB4 TIM12_CH1

5D4 PB5 -

4 D3 PB3 TIM2_CH2

3D2 PA10 -

2 D1 PA2 USART2_TX

1 D0 PA3 USART2_RX

1. Please refer to Table 9: Solder bridges for details.

Table 16. Arduino connectors on NUCLEO-L152RE

CN No. Pin No. Pin name MCU pin Function

Left connectors

CN6

power

1NC - -

2 IOREF - 3.3V Ref

3 RESET NRST RESET

4 +3V3 - 3.3V input/output

5 +5V - 5V output

6 GND - Ground

7 GND - Ground

8 VIN - Power input

CN8

analog

1 A0 PA0 ADC_IN0

2 A1 PA1 ADC_IN1

3 A2 PA4 ADC_IN4

4A3 PB0 ADC_IN8

5 A4 PC1 or PB9

(1)

ADC_IN11 (PC1) or I2C1_SDA (PB9)

6 A5 PC0 or PB8

(1)

ADC_IN10 (PC0) or I2C1_SCL (PB8)

Table 15. Arduino connectors on NUCLEO-L053R8 (continued)

Connect

or No.

Pin No. Pin name MCU pin Function

Questions and Answers:

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ST STM32 Nucleo board Specifications

General

Microcontroller	STM32
Board Series	Nucleo
Core Size	32-Bit
Program Memory Type	FLASH
Mounting Type	Through Hole
Connectivity	USB
Power Supply	USB
Headers	Arduino, ST morpho
Core Processor	ARM Cortex-M
Peripherals	ADC, PWM, SPI, UART, USB
Program Memory Size	Up to 2MB
Operating Temperature	-40°C to 85°C
Package / Case	Varies by model