{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S5C31-IQC80-A2T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S5C31-IQC80-A2T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S5C31-IQC80-A2T","factsUrl":"https://icboms.com/api/mcp/products/LM3S5C31-IQC80-A2T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris ARM Cortex-M3S 5000 LM3S5C31-IQC80-A2T, 32-bit MCU, 80 MHz, 512KB Flash, 64K x 8 RAM, 100-LQFP, -40°C to 85°C, 3V to 3.6V supply.","salesMarkdown":"The 80 MHz core handles real-time tasks like motor commutation, sensor fusion, or USB packet processing with margin. ## Peripheral set and industrial connectivity The 16-channel 12-bit ADC covers analog inputs from sensors or current shunts. ## Package and supply rail Housed in a 100-LQFP (14x14 mm) package with 67 I/O pins, the LM3S5C31-IQC80-A2T operates from a single 3V to 3.6V supply. For a replacement or second-source candidate, verify pin compatibility and peripheral differences against the datasheet.","metaTitle":"LM3S5C31-IQC80-A2T ARM Cortex-M3 MCU, 80 MHz, 512KB Flash","metaDescription":"Texas Instruments LM3S5C31-IQC80-A2T Stellaris ARM Cortex-M3 MCU, 80 MHz, 512KB Flash, 64KB RAM, 100-LQFP, -40°C to 85°C.","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":"Tape & Reel (TR)","RAM Size":"64K 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, Microwire, QEI, SPI, SSI, UART/USART, USB","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":"LM3S5C31","Program Memory Size":"512KB (512K 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/LM3S5C31-IQC80-A2T/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for LM3S5C31-IQC80-A2T?","answer":"No official successor is listed for the LM3S5C31-IQC80-A2T. A commonly considered alternative is the TM4C123GH6PM series from the same Stellaris family — verify pin compatibility and peripheral differences against the datasheet before qualifying."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S5C31-IQC80-A2T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S5C31-IQC80-A2T 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}}