{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F031G4U6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F031G4U6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F031G4U6","factsUrl":"https://icboms.com/api/mcp/products/STM32F031G4U6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F0 series, ARM Cortex-M0, 32-bit Single-Core, 48MHz, 16KB (16K x 8) FLASH, 4K x 8 RAM, 28-UFQFN, 23 I/O, -40°C to 85°C (TA).","salesMarkdown":"## Entry-level Cortex-M0 for cost-sensitive control The STM32F031G4U6 includes a 12-bit ADC with 13 channels, I²C, SPI, UART, and I²S. ## 48 MHz core and memory sizing The 48 MHz clock is the practical ceiling for this part—enough to handle a 10 kHz current loop with headroom for stack and interrupt latency. The 16 KB Flash and 4 KB SRAM limit firmware to bootloader, state machine, and a modest data buffer; if your application needs over-the-air updates or a TCP/IP stack, step up to the STM32F031G6 or a larger STM32F0 variant. The 4 KB SRAM (organized as 4K x 8) is the tighter constraint: budget 2 KB for the RTOS kernel and stack, leaving 2 KB for application data. ## Industrial temperature grade and environment It is not qualified for automotive under-hood (no AEC-Q100 listing) or extended industrial above 85°C. For a 105°C or 125°C requirement, look at the STM32F0 automotive-grade siblings or the STM32L1 series. The 23 GPIOs are enough for a keypad matrix, a few LEDs, and one or two serial interfaces. Surface-mount only; no through-hole option exists.","metaTitle":"STM32F031G4U6 ARM Cortex-M0 MCU, 48 MHz, 16 KB Flash","metaDescription":"STMicroelectronics STM32F031G4U6 32-bit MCU with ARM Cortex-M0 core at 48 MHz, 16 KB Flash, 4 KB SRAM, 28-UFQFPN package.","metaKeywords":null},"attributes":{"series":"STM32F0","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","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":"23","Core Processor":"ARM® Cortex®-M0","Package / Case":"28-UFQFN","Product Status":"Active","Data Converters":"A/D 13x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32F031","Program Memory Size":"16KB (16K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"28-UFQFPN (4x4)","Voltage - Supply (Vcc/Vdd)":"2V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.7800","priceTiers":[{"qty":1,"price":"$2.78000","currency":"USD"},{"qty":10,"price":"$2.49600","currency":"USD"},{"qty":25,"price":"$2.35440","currency":"USD"},{"qty":80,"price":"$2.00613","currency":"USD"},{"qty":230,"price":"$1.88365","currency":"USD"},{"qty":490,"price":"$1.64818","currency":"USD"},{"qty":980,"price":"$1.36564","currency":"USD"},{"qty":2450,"price":"$1.27147","currency":"USD"},{"qty":4900,"price":"$1.22437","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/7127f169a82fed95ea2bf9d385a9c5f9.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F031G4U6/alternatives.json"},"ai":{"faq":[{"question":"Is there an alternative to STM32F031G4U6?","answer":"A functional alternative is the STM32L151CBU6A, which uses a Cortex-M3 core at 32 MHz, offers more I/O (37), and includes a DAC and USB. However, it is a different package and has a higher memory footprint—verify pin compatibility and software migration effort before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F031G4U6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F031G4U6 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}