{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F031K6U6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F031K6U6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F031K6U6","factsUrl":"https://icboms.com/api/mcp/products/STM32F031K6U6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F0 series, ARM Cortex-M0, 32-bit, 48 MHz, 32 KB Flash, 4K x 8 RAM, 27 I/O, 2 V to 3.6 V, -40°C to 85°C, surface mount 32-UFQFN exposed pad.","salesMarkdown":"The STM32F031K6U6: This MCU is built for cost-sensitive embedded control tasks — motor commutation, sensor polling, simple HMI, and communication bridging — where the 48 MHz Cortex-M0 core delivers enough throughput without the overhead of a larger Cortex-M3 or M4. ST lists the STM32F031K6U6 as Active. The STM32F0 series is a mature, high-volume line, so supply through independent distribution is generally steady. If you are replacing a larger package or a higher-pin-count STM32F0 on a board, this 32-pin variant is a drop-in for the same-density siblings in the UFQFPN footprint. ## Package and thermal pad — layout note Surface-mount only, obviously.","metaTitle":"STM32F031K6U6 ARM Cortex-M0 MCU, 48 MHz, 32 KB Flash","metaDescription":"STMicroelectronics STM32F031K6U6 32-bit MCU with ARM Cortex-M0 core at 48 MHz, 32 KB Flash, 4 KB RAM, 27 I/O, -40 to 85°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"48MHz","Series":"STM32F0","Package":"Tray","RAM Size":"4K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"DMA, I²S, POR, PWM, WDT","Connectivity":"I²C, IrDA, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"27","Core Processor":"ARM® Cortex®-M0","Package / Case":"32-UFQFN Exposed Pad","Product Status":"Active","Data Converters":"A/D 13x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32F031","Program Memory Size":"32KB (32K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"32-UFQFPN (5x5)","Voltage - Supply (Vcc/Vdd)":"2V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.3600","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/7127f169a82fed95ea2bf9d385a9c5f9.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F031K6U6/alternatives.json"},"ai":{"faq":[{"question":"What are the specifications of STM32F031K6U6?","answer":"Peripherals include DMA, I²S, POR, PWM, WDT, and connectivity interfaces I²C, IrDA, LINbus, SPI, and UART/USART. It comes in a 32-UFQFN exposed-pad package (5x5 mm)."},{"question":"Does the STM32F031K6U6 have a direct equivalent or replacement?","answer":"Within the STM32F0 series, the pin-compatible siblings differ mainly in Flash and RAM density. The STM32F031K6U6 sits at the 32 KB Flash / 4 KB RAM tier. Higher-density options like the STM32F051K8U6 (64 KB Flash, 8 KB RAM) share the same 32-pin UFQFPN footprint and peripheral set, making them a drop-in upgrade if firmware fits the larger memory. No direct second-source from another manufacturer is officially listed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F031K6U6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F031K6U6 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}