{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S8538-EQC50-A2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S8538-EQC50-A2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S8538-EQC50-A2","factsUrl":"https://icboms.com/api/mcp/products/LM3S8538-EQC50-A2","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris LM3S8538-EQC50-A2, ARM Cortex-M3 50MHz single-core MCU, 96KB Flash / 64KB SRAM, integrated Ethernet MAC and CANbus, 8-channel 10-bit ADC, 36 I/O, 2.25–2.75V supply, -40 to 105°C, surface-mount 100-LQFP in tray.","salesMarkdown":null,"metaTitle":"TI LM3S8538-EQC50-A2 — Stellaris ARM Cortex-M3 MCU, 50MHz, Ethernet, 96KB Flash,","metaDescription":"TI Stellaris LM3S8538-EQC50-A2: ARM Cortex-M3 at 50MHz, 96KB Flash, 64KB SRAM, integrated Ethernet MAC and CANbus, 36 I/O, 2.25–2.75V, -40 to 105°C, 100-LQFP. Obsolete.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"50MHz","title":"LM3S8538-EQC50-A2","Series":"Stellaris® ARM® Cortex®-M3S 8000","Package":"Tray","RAM Size":"64K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"CANbus, Ethernet, I²C, IrDA, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"36","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-LQFP","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S8538","Program Memory Size":"96KB (96K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~105°C(TA)","Supplier Device Package":"100-LQFP (14x14)","Voltage - Supply (Vcc/Vdd)":"2.25V ~ 2.75V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S8538-EQC50-A2/alternatives.json"},"ai":{"faq":[{"question":"What replaces the LM3S8538-EQC50-A2?","answer":"TI's official successor line is the Tiva C Series TM4C family, but the TM4C parts in this performance tier are not pin-compatible drops into the 100-LQFP footprint — a PCB respin is required. No officially cross-referenced second-source or direct substitute appears in this record."},{"question":"Does the LM3S8538-EQC50-A2 need an external Ethernet PHY?","answer":"The part integrates the Ethernet MAC; an external PHY transceiver is required for any RJ-45 link. The CANbus controller similarly requires an external CAN transceiver. Both are standard BOM components for this connectivity block."},{"question":"What is the supply voltage range, and does it interface directly with 5V logic?","answer":"The LM3S8538-EQC50-A2 operates from 2.25V to 2.75V. It is not a 5V-tolerant MCU — any 5V discrete I/O lines interfacing to this part need level-shifting explicitly designed into the schematic."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S8538-EQC50-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/LM3S8538-EQC50-A2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:45.345Z","lastPublished":"2026-07-20T14:34:45.345Z","indexable":true}}