{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L412CBT6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L412CBT6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L412CBT6","factsUrl":"https://icboms.com/api/mcp/products/STM32L412CBT6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L4 series, STM32L412CBT6, 32-bit ARM Cortex-M4 MCU, 80 MHz, 128 KB Flash, 40K x 8 RAM, USB, Quad SPI, 38 I/O, 48-LQFP, -40°C to 85°C.","salesMarkdown":"## Connectivity and peripherals for sensor-heavy designs The Quad SPI port can map an external Flash or PSRAM into the memory space for OTA staging or waveform buffers. For new designs this means no forced migration risk in the near term.","metaTitle":"STM32L412CBT6 MCU, 32-bit ARM Cortex-M4, 80 MHz","metaDescription":"STM32L412CBT6 from STMicroelectronics: 32-bit ARM Cortex-M4 MCU at 80 MHz with 128 KB Flash, 40K x 8 RAM, USB, Quad SPI, 48-LQFP.","metaKeywords":null},"attributes":{"series":"STM32L4","packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"80MHz","Series":"STM32L4","Package":"Tray","RAM Size":"40K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, PWM, WDT","Connectivity":"I²C, Infrared, IrDA, LINbus, Quad SPI, SPI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"38","Core Processor":"ARM® Cortex®-M4","Package / Case":"48-LQFP","Product Status":"Active","Data Converters":"A/D 10x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L412","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"48-LQFP (7x7)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5.8100","priceTiers":[{"qty":1,"price":"$5.81000","currency":"USD"},{"qty":10,"price":"$5.21700","currency":"USD"},{"qty":25,"price":"$4.93160","currency":"USD"},{"qty":80,"price":"$4.27413","currency":"USD"},{"qty":250,"price":"$4.05496","currency":"USD"},{"qty":500,"price":"$3.63848","currency":"USD"},{"qty":1000,"price":"$3.06860","currency":"USD"},{"qty":2500,"price":"$2.98890","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/29c67a23670ccb2896e9a199ceccf40c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L412CBT6/alternatives.json"},"ai":{"faq":[{"question":"Does STM32L412CBT6 support USB?","answer":"Yes, the connectivity block includes USB (along with I²C, Quad SPI, SPI, UART/USART, and LINbus), so it can act as a USB device or host with the appropriate firmware stack."},{"question":"What is the difference between STM32L412CBT6 and STM32L432KC?","answer":"The STM32L432KC is a higher-density member of the same STM32L4 family with more Flash (256 KB) and RAM (64 KB), and typically comes in a 32-pin QFN or 48-pin LQFP. The STM32L412CBT6 offers a lower-cost entry point at 128 KB Flash / 40K x 8 RAM with the same Cortex-M4 core and peripheral set, making it a better fit for cost-sensitive designs that don't need the extra memory."},{"question":"Is STM32L412CBT6 equivalent to STM32L432?","answer":"No, they are not equivalent. Both are STM32L4 Cortex-M4 parts with similar peripherals, but the memory difference affects firmware size and data buffering capacity."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L412CBT6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L412CBT6 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}}