# STM32L432KCU6 (Component) ## Description ST Microelectronics STM32L432KCU6 UFQFPN-32_L5.0-W5.0-P0.50-TL-EP3.5 LCSC Part Number: C1337280 JLCPCB Part Class: Extended Part Manufactured by ST(意法半导体) STMicroelectronics STM32L432KC ultra-low-power 32-bit ARM Cortex-M4 microcontroller with FPU running up to 80MHz, featuring 256KB Flash memory, 64KB SRAM, USB 2.0 Full-Speed device support, Quad-SPI interface, RTC with calendar and alarms, true random number generator (TRNG), DMA controller, CAN 2.0B, UART, LPUART, SPI, I2C, SAI audio interface, 12-bit 5MSPS ADC, dual 12-bit DACs, operational amplifier with PGA, comparators, capacitive sensing channels, advanced timers and ultra-low-power modes. Operates from 1.71V to 3.6V and is optimized for battery-powered, industrial, medical, IoT and portable embedded applications. Search Keywords: STM32L432KC, STM32L432KCU6, STM32L432KCU6TR, STM32L432, STM32L4 series, STM32 Cortex-M4 MCU, STM32 low power microcontroller, STM32 256KB Flash 64KB SRAM, STM32 USB FS MCU, STM32 CAN MCU, STM32 Quad SPI MCU, STM32L432 datasheet, STM32L432 development board, Nucleo-L432KC, ARM Cortex-M4 FPU Hashtags: #STM32L432KC #STM32L432KCU6 #STM32L432 #STM32L4 #STMicroelectronics #CortexM4 #ARMMicrocontroller #LowPowerMCU #EmbeddedSystems #USBFS #CANBus #QuadSPI #ADC12bit #DAC12bit #RTC #TRNG #IoTMCU #IndustrialMCU #MedicalElectronics #NucleoL432KC ## Component Details - **Owner:** lcsc - **Created:** 11/4/2024 - **Last Updated:** 6/7/2026 - **Visibility:** Public - **Datasheet URL:** https://www.st.com/content/ccc/resource/technical/document/datasheet/24/01/9f/59/f0/83/47/fc/DM00257205.pdf/files/DM00257205.pdf/jcr:content/translations/en.DM00257205.pdf - **Symbol Style:** parametric-v1 - **Manufacturer Name:** ST(意法半导体) - **JLCPCB Part Class:** Extended Part - **Part Type:** ST Microelectronics - **Package or Case Code:** UFQFPN-32_L5.0-W5.0-P0.50-TL-EP3.5 - **Manufacturer Part Number:** STM32L432KCU6 - **LCSC Part Number:** C1337280 - **Used in:** 28 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Digi-Key](https://www.digikey.com/en/products/detail/stmicroelectronics/STM32L432KCU6/6132749) | $4.88 | 12K | | [HQonline](https://www.hqonline.com/product-detail/32-bit-mcu-microcontrollers-st-stm32l432kcu6-2500394236) | $5.53752 | 5 | | [LCSC](https://www.lcsc.com/product-detail/C1337280.html) | $6.0744 | 389 | | [Mouser](https://www.mouser.com/ProductDetail/STMicroelectronics/STM32L432KCU6?qs=dTJS0cRn7oiybcTRwI97Tw%3D%3D) | $6.70 | 11K | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=STM32L432KCU6) | $4.76 | 3.4K | | [Verical](https://www.verical.com/pd/stmicroelectronics-microcontroller-STM32L432KCU6-2049351?utm_currency=USD) | $4.4763 | 3.4K | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** STMicroelectronics - **MPN:** STM32L432KCU6 - **Mount Type:** PCB - **Package / Case Code:** TO - **Pin Count:** 33 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | VDD | | | 17 | VDD | | | 5 | VDDA/VREF+ | | | 31 | PH3/BOOT0 | | | 4 | NRST | | | 3 | PC15-OSC32_OUT | | | 2 | PC14-OSC32_IN | | | 24 | PA14 | | | 25 | PA15 | | | 23 | PA13 | | | 27 | PB4 | | | 26 | PB3 | | | 22 | PA12 | | | 21 | PA11 | | | 13 | PA7 | | | 18 | PA8 | | | 20 | PA10 | | | 15 | PB1 | | | 6 | PA0/CK_IN | | | 14 | PB0 | | | 19 | PA9 | | | 30 | PB7 | | | 8 | PA2 | | | 10 | PA4 | | | 28 | PB5 | | | 7 | PA1 | | | 29 | PB6 | | | 12 | PA6 | | | 11 | PA5 | | | 9 | PA3 | | | 16 | VSS | | | 33 | EP | | | 32 | VSS | | --- *Generated from [https://www.flux.ai/lcsc/stm32l432kcu6~ahs](https://www.flux.ai/lcsc/stm32l432kcu6~ahs)*