ST STM32 Nucleo-32 User Manual

Hardware layout and configuration UM1956
26/37 UM1956 Rev 5
Table 13. Arduino Nano connectors on NUCLEO-L011K4
Connector
Pin
nu
mber
Pin Name STM32 pin Function
Left connector
CN3
1 D1 PA9 USART2_TX
(1)
1. Only one USART is available and it is shared between Arduino Nano and VCP. The selection is done by
remapping (no hardware configuration to change).
2 D0 PA10 USART2_RX
(1)
3 RESET NRST RESET
4 GND - Ground
5 D2 PA12 -
6 D3 PB0 TIM2_CH3
(2)
2. D3 and D5 PWM are using same channel of TIM2_CH3.
7 D4
(3)
3. Limitations on A4 and A5, D4 and D5, related to I
2
C configuration, are explained in Section 6.10: Solder
bridges according to SB16/SB18 setting.
PB7
8 D5
(3)
PB6 TIM2_CH3
(2)
9 D6 PB1 TIM2_CH4
10 D7
(4)
4. D7/D8 shared with OSC_IN/OSC_OUT.
PC14 -
11 D8
(4)
PC15 -
12 D9 PA8 TIM
(5)
5. No PWM on D9, D10, D11.
13 D10 PA11 SPI_CS
(6)
6. SPI_CS is made by GPIO.
|| TIM
(5)
14 D11 PB5 SPI1_MOSI || TIM
(5)
15 D12 PB4 SPI1_MISO
Right connector
CN4
1 VIN - Power input
2 GND - Ground
3 RESET NRST RESET
4 +5V - 5 V input/output
5 A7 PA2 ADC_IN2
(7)
7. PA2 exclusive with VCP_TX.
6 A6 PA7 ADC_IN7
7 A5
(3)
PA6 ADC_IN6 || I2C1_SCL
8 A4
(3)
PA5 ADC_IN5 || I2C1_SDA
9 A3 PA4 ADC_IN4
10 A2 PA3 ADC_IN3
11 A1 PA1 ADC_IN1
12 A0 PA0 ADC_IN0
13 AREF - AVDD
14 +3V3 - 3.3 V input/output
15 D13 PB3 SPI1_SCK

ST STM32 Nucleo-32 Specifications

General

Microcontroller	STM32
Pin Count	32
Connectivity	USB
Debugging	ST-LINK/V2-1
Core	ARM Cortex-M
Operating Voltage	3.3V
Power Supply	USB or External Source
Clock Speed	Varies by specific STM32 MCU
Flash Memory	Varies by specific STM32 MCU
SRAM	Varies by specific STM32 MCU
GPIO Pins	Varies by specific STM32 MCU
ADC	Varies by specific STM32 MCU
DAC	Varies by specific STM32 MCU
Communication Interfaces	I2C, SPI, USART, USB
Expansion Connectors	Arduino Nano connectivity
Operating Temperature	Varies by specific STM32 MCU