# STM32L021K4Ux (Component) ## Description STMicroelectronics Arm Cortex-M0+ MCU, 16KB flash, 2KB RAM, 28 GPIO, UFQFPN32 Arm Cortex-M0+ STM32L0 STM32L0x1 QFN*1EP*5x5mm*P0.5mm* ## Component Details - **Owner:** kicad-part-library - **Created:** 9/27/2024 - **Last Updated:** 9/27/2024 - **Visibility:** Public - **Manufacturer Part Number:** STM32L021K4Ux - **Manufacturer Name:** STMicroelectronics NV - **Datasheet URL:** https://www.st.com/resource/en/datasheet/stm32l021k4.pdf - **Package or Case Code:** QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm - **Manufacturer:** STMicroelectronics - **MPN:** STM32L021K4Ux - **Package / Case Code:** 28-QFN - **Pin Count:** 33 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | VDD | | | 2 | PC14 | | | 3 | PC15 | | | 4 | NRST | | | 5 | VDDA | | | 6 | PA0 | | | 7 | PA1 | | | 8 | PA2 | | | 9 | PA3 | | | 10 | PA4 | | | 11 | PA5 | | | 12 | PA6 | | | 13 | PA7 | | | 14 | PB0 | | | 15 | PB1 | | | 16 | PB2 | | | 17 | VDD | | | 18 | PA8 | | | 19 | PA9 | | | 20 | PA10 | | | 21 | PA11 | | | 22 | PA12 | | | 23 | PA13 | | | 24 | PA14 | | | 25 | PA15 | | | 26 | PB3 | | | 27 | PB4 | | | 28 | PB5 | | | 29 | PB6 | | | 30 | PB7 | | | 31 | PB9 | | | 32 | PB8 | | | 33 | VSS | | --- *Generated from [https://www.flux.ai/kicad-part-library/stm32l021k4ux](https://www.flux.ai/kicad-part-library/stm32l021k4ux)*