{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L4R5AII6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L4R5AII6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L4R5AII6","factsUrl":"https://icboms.com/api/mcp/products/STM32L4R5AII6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L4R series, ARM Cortex-M4, 32-bit single-core MCU, 120 MHz, 2 MB Flash, 640 KB RAM, 169-UFBGA, -40°C to 85°C.","salesMarkdown":"## Active production, 120 MHz Cortex-M4 with 2 MB Flash The 169-ball UFBGA package (7x7 mm) houses the STM32L4R5AII6. On-chip brown-out detect and POR eliminate external supervisor ICs in many designs. ## Peripheral set and connectivity Connectivity includes CANbus, USB OTG, multiple I²C and SPI interfaces, plus an external memory interface (EBI/EMI) for expanding RAM or Flash off-chip. The 112 I/O lines give plenty of headroom for parallel displays, keypads, or sensor arrays. On-chip data converters include a 16-channel 12-bit ADC and two 12-bit DACs. ## Lifecycle status — active, no end-of-life risk ST lists the STM32L4R5AII6 as Active.","metaTitle":"STM32L4R5AII6 STM32L4R ARM Cortex-M4 MCU, 120 MHz","metaDescription":"STM32L4R5AII6 32-bit ARM Cortex-M4 MCU at 120 MHz with 2 MB Flash and 640 KB SRAM. Industrial temp range -40°C 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":"120MHz","Series":"STM32L4R","Package":"Tray","RAM Size":"640K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"CANbus, EBI/EMI, I²C, IrDA, LINbus, MMC/SD, SAI, SPI, UART/USART, USB OTG","Mounting Type":"Surface Mount","Number of I/O":"112","Core Processor":"ARM® Cortex®-M4","Package / Case":"169-UFBGA","Product Status":"Active","Data Converters":"A/D 16x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L4R5","Program Memory Size":"2MB (2M x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"169-UFBGA (7x7)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$13.2636","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/3911b6923e911f78d930b1bab40f9562.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the maximum clock speed of STM32L4R5AII6?","answer":"The STM32L4R5AII6 runs at 120 MHz from the ARM Cortex-M4 core. At that speed, the Flash needs at least one wait state inserted — the STM32L4R series handles this automatically via the prefetch buffer and ART accelerator, so the designer doesn't need to manage wait states manually in most cases."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L4R5AII6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L4R5AII6 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T12:41:34.560Z","lastPublished":"2026-07-16T12:41:34.560Z","indexable":true}}