====NUCLEO-L432KC====

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===Microcontroller features===

   * STM32L432KC in UFQFPN32 package
   * ARM®32-bit Cortex®-M4 CPU
   * 80 MHz max CPU frequency
   * VDD from 1.65 V to 3.6 V
   * 256 KB Flash
   * 64 KB SRAM
   * Timers General Purpose (4)
   * SPI/I2S (2)
   * I2C (2)
   * USART (2)
   * 12-bit ADC with 10 channels (1)
   * GPIO (20) with external interrupt capability
   * RTC
   * Random Generator (TRNG for HW entropy)
   *
   * Other features
   *
   * CAN 2.0B
   * USB 2.0 FS
=== Probe ===

Before upgrade
<code>
/mnt/c/Apps/stlink-1.7.0-x86_64-w64-mingw32/bin/st-info.exe --probe
Found 1 stlink programmers
  version:    V2J31S21
  serial:     066EFF485688494867121626
  flash:      262144 (pagesize: 2048)
  sram:       49152
  chipid:     0x0435
  descr:      L43x/L44x
</code>

After upgrade
<code>
/mnt/c/Apps/stlink-1.7.0-x86_64-w64-mingw32/bin/st-info.exe --probe
Found 1 stlink programmers
  version:    V2J40S27
  serial:     066EFF485688494867121626
  flash:      262144 (pagesize: 2048)
  sram:       49152
  chipid:     0x0435
  descr:      L43x/L44x
</code>

=== Pinout ===

Optimal pin configuration.

<code>
                +--------------+
                |  ST-LINK/V2  |
                |              |
D1  I2C1 SCL   1| PA9          |30 VIN
D0  I2C1 SDA   2| PA10         |29 GND
RESET          3|              |28 RESET
GND            4|              |27 5V
D2  CAN1 TX    5| PA12     PA2 |26 A7
D3             6| PB0      PA7 |25 A6
D4  USART1 RX  7| PB7      PA6 |24 A5  USART1 CTS
D5  USART1 TX  8| PB6      PA5 |23 A4
D6  USART1 RTS 9| PB1      PA4 |22 A3
D7            10| NC       PA3 |21 A2
D8            11| NC       PA1 |20 A1
D9            12| PA8      PA0 |19 A0
D10 CAN1 RX   13| PA11         |18 AREF
D11 SPI3 MOSI 14| PB5          |17 3V3
D12 SPI3 MISO 15| PB4      PB3 |16 D13 LED SPI3 SCK
                +--------------+
USART2
VCP TX PA2
VCP RX PA15
</code>

===Clocks===

<code>
MC0   8000000  X2 8MHz ST-LINK/V2 NX3225GD-8MHZ-EXS00A-CG04874
CK_IN MC0      CLOCK IN
HSE   0        N/A
HSI   16000000
LSE   32768    X1 NX3215SA-32.768K-EXS00A-MU00525
LSI   32768
</code>

===Resources===

[[https://www.st.com/en/evaluation-tools/nucleo-l432kc.html|Product page]]

[[https://os.mbed.com/platforms/ST-Nucleo-L432KC/|MBED overview]]

[[https://www.st.com/resource/en/data_brief/nucleo-l432kc.pdf|Data brief]]

[[https://www.st.com/resource/en/user_manual/um1727-getting-started-with-stm32-nucleo-board-software-development-tools-stmicroelectronics.pdf|User guide]]

[[https://www.st.com/resource/en/user_manual/dm00231744-stm32-nucleo-32-boards-mb1180-stmicroelectronics.pdf|User manual]]

[[https://www.st.com/resource/en/schematic_pack/nucleo-32pins_sch.zip|Schematic]]

[[https://www.st.com/resource/en/datasheet/stm32l432kc.pdf|MCU datasheet]]

[[https://www.st.com/resource/en/reference_manual/rm0394-stm32l41xxx42xxx43xxx44xxx45xxx46xxx-advanced-armbased-32bit-mcus-stmicroelectronics.pdf|MCU reference manual]]