{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F042K6U6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F042K6U6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F042K6U6","factsUrl":"https://icboms.com/api/mcp/products/STM32F042K6U6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F0 series, ARM Cortex-M0, 32-bit, 48MHz, 32KB Flash, 6K x 8 RAM, 26 I/O, CANbus, USB, 1.65V to 3.6V, -40°C to 85°C, 32-UFQFPN (5x5) exposed pad.","salesMarkdown":"The STM32F042K6U6: The 48 MHz core clock is the ceiling for this Cortex-M0. ## Package and thermal pad — layout note The pad is electrically connected to VSS on the die — do not float it, and ensure the PCB land pattern matches the supplier package drawing for solder-joint reliability. No last-time-buy risk or obsolescence concern for new designs.","metaTitle":"STM32F042K6U6 ARM Cortex-M0 MCU, 48MHz, 32KB Flash","metaDescription":"STMicroelectronics STM32F042K6U6 32-bit ARM Cortex-M0 MCU, 48MHz speed, 32KB Flash, 6K x 8 RAM, 26 I/O, USB, CAN, -40 to 85°C, 32-UFQFPN.","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":"6K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"DMA, I²S, POR, PWM, WDT","Connectivity":"CANbus, HDMI-CEC, I²C, IrDA, LINbus, SPI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"26","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":"STM32F042","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)":"1.65V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.6000","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/2c1922c6f0807cc91ffca510b8e89a8e.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F042K6U6/alternatives.json"},"ai":{"faq":[{"question":"Can STM32F042K6U6 be used as a USB device?","answer":"Yes, the connectivity set includes USB 2.0, and the internal oscillator is trimmed to 48 MHz — the exact clock required for USB full-speed operation — so no external crystal is needed for USB device mode."},{"question":"How does STM32F042K6U6 compare to STM32F042C6?","answer":"The STM32F042C6 is the same die in a 48-pin LQFP package with more GPIO (38 I/O vs 26) and a wider ADC channel count. The STM32F042K6U6 in the 32-UFQFPN saves board area at the cost of I/O count — choose the K6U6 when space is tight and 26 pins suffice."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F042K6U6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F042K6U6 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}}