{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S5G31-IQC80-A2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S5G31-IQC80-A2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S5G31-IQC80-A2","factsUrl":"https://icboms.com/api/mcp/products/LM3S5G31-IQC80-A2","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris ARM Cortex-M3S 5000 series LM3S5G31-IQC80-A2, 32-Bit Single-Core MCU, 80MHz, 384KB Flash, 64K x 8 RAM, 100-LQFP, -40°C~85°C.","salesMarkdown":"The LM3S5G31-IQC80-A2: Its 80 MHz core clock and 384 KB of Flash program memory provide enough headroom for a single real-time control loop with a moderate communications stack — think motor-drive firmware with CANopen, or a multi-axis motion controller running sensor fusion. The 16-channel 12-bit ADC covers multi-phase current sensing or temperature monitoring without an external multiplexer. ## Industrial temperature grade and connectivity ## Obsolete — sourcing reality and the successor question For production BOMs that require this exact footprint and peripheral set, the only channel is independent distribution —","metaTitle":"LM3S5G31-IQC80-A2 Stellaris ARM Cortex-M3 MCU, 80 MHz","metaDescription":"LM3S5G31-IQC80-A2 32-bit ARM Cortex-M3 MCU from TI Stellaris series. 80 MHz core, 384 KB Flash, 64 KB RAM, 16-ch 12-bit ADC, industrial temp.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"80MHz","Series":"Stellaris® ARM® Cortex®-M3S 5000","Package":"Tray","RAM Size":"64K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT","Connectivity":"CANbus, EBI/EMI, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"67","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-LQFP","Product Status":"Obsolete","Data Converters":"A/D 16x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S5G31","Program Memory Size":"384KB (384K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"100-LQFP (14x14)","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/LM3S5G31-IQC80-A2/alternatives.json"},"ai":{"faq":[{"question":"Is LM3S5G31-IQC80-A2 obsolete?","answer":"Yes, the lifecycle status is Obsolete. Texas Instruments no longer manufactures this device. It is available only through surplus and broker channels."},{"question":"What is the replacement for LM3S5G31-IQC80-A2?","answer":"A redesign to a current TI Cortex-M4 or M7 MCU is required for new production. Within the same Stellaris family, a 100-LQFP variant with 80 MHz core may be pin-compatible, but the exact register map and peripheral set differ — firmware migration is necessary."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S5G31-IQC80-A2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S5G31-IQC80-A2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}