{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S828-EQN50-C2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S828-EQN50-C2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S828-EQN50-C2","factsUrl":"https://icboms.com/api/mcp/products/LM3S828-EQN50-C2","rawCanonicalId":null},"summary":{"shortDescription":"TI Stellaris ARM Cortex-M3S 800 series, 64KB Flash, 8KB RAM, 50MHz, 28 I/O, 8x10b ADC, I2C/SPI/UART, 3V-3.6V, -40°C to 105°C, 48-LQFP.","salesMarkdown":null,"metaTitle":"TI LM3S828-EQN50-C2 Stellaris MCU 64KB Flash 50MHz","metaDescription":"TI Stellaris ARM Cortex-M3S 800 series MCU, 64KB Flash, 8KB RAM, 50MHz, 28 I/O, 8x10b ADC, 3V-3.6V, -40°C to 105°C, 48-LQFP.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"50MHz","title":"LM3S828-EQN50-C2","Series":"Stellaris® ARM® Cortex®-M3S 800","RAM Size":"8K x 8","Core Size":"32-Bit Single-Core","Packaging":"Tray","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"I2C, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"28","Core Processor":"ARM® Cortex®-M3","Package / Case":"48-LQFP","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S828","Program Memory Size":"64KB (64K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 105°C (TA)","Supplier Device Package":"48-LQFP (7x7)","Voltage - Supply (Vcc/Vdd)":"3V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S828-EQN50-C2/alternatives.json"},"ai":{"faq":[{"question":"Is the LM3S828-EQN50-C2 obsolete and what replaces it?","answer":"The lifecycle stage is eol_hot, which means this order code has entered TI's end-of-life notification window. TI's Tiva-C TM4C series is the documented successor platform to the Stellaris family — register-level compatibility reduces migration effort but a firmware re-validation is still required."},{"question":"Does the internal oscillator meet Modbus RTU baud-rate accuracy?","answer":"Internal oscillator operation is listed for the part; for Modbus RTU at standard baud rates (9600 and 19200) the timing is workable in a controlled thermal environment. High-precision communication or extended temperature operation may still warrant an external crystal for tighter baud-rate error margins."},{"question":"What supply voltage does this MCU need?","answer":"The part operates from 3V to 3.6V, requiring a fixed 3.3V rail on the board. Direct 5V interfaces are not supported, so legacy 24V field devices need level-shifting or optocoupler isolation in the interface design."},{"question":"What thermal environment is this rated for?","answer":"The LM3S828-EQN50-C2 is rated for -40°C to 105°C ambient operating temperature. The 105°C upper limit is suited to sealed industrial enclosures but leaves no headroom if mounted adjacent to power-stage heat sources — a board-level thermal assessment is recommended for continuous full-load operation at the high end of the range."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S828-EQN50-C2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S828-EQN50-C2 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}}