User manual
Table Of Contents
- Figure 1. STM32 Nucleo-64 board (1)
- 1 Ordering information
- 2 Conventions
- 3 Quick start
- 4 Features
- 5 Hardware layout and configuration
- 6 Mechanical drawing
- 7 Electrical schematics
- 8 References
- 9 Revision history
Hardware layout and configuration UM1724
38/61 DocID025833 Rev 9
Warning: PWM is not supported by D10 on STM32L053 since the timer
is not available on PB6.
CN5
digital
10 D15 PB8 I2C1_SCL
9 D14 PB9 I2C1_SDA
8 AREF - AVDD
7 GND - Ground
6 D13 PA5 SPI1_SCK
5 D12 PA6 SPI1_MISO
4 D11 PA7 TIM12_CH2 or SPI1_MOSI
3 D10 PB6 SPI1_CS
2 D9 PC7 TIM12_CH2
1D8 PA9 -
CN9
digital
8D7 PA8 -
7 D6 PB10 TIM2_CH3
6 D5 PB4 TIM12_CH1
5 D4 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 17. Arduino connectors on NUCLEO-L073RZ
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
Table 16. Arduino connectors on NUCLEO-L053R8 (continued)
Connect
or No.
Pin No. Pin name MCU pin Function