{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S812-EQN50-C2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S812-EQN50-C2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S812-EQN50-C2","factsUrl":"https://icboms.com/api/mcp/products/LM3S812-EQN50-C2","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris ARM Cortex-M3S 800 LM3S812-EQN50-C2, 32-bit MCU, 50 MHz, 64 KB Flash, 8 KB SRAM, 34 I/O, 3.3 V, -40 to 105 °C, 48-LQFP Tray.","salesMarkdown":"## 50 MHz Cortex-M3 in a 48-LQFP — what this part is The LM3S812-EQN50-C2 is a 32-bit ARM Cortex-M3 MCU from the Stellaris family, clocked at 50 MHz with 64 KB of Flash and 8 KB of SRAM. It packs 34 general-purpose I/O lines, a 2-channel 10-bit ADC, and serial connectivity including I²C, SPI, SSI, Microwire, and UART/USART. ## Obsolete — sourcing reality for the BOM line","metaTitle":"Texas Instruments LM3S812-EQN50-C2 ARM Cortex-M3 MCU, 50 MHz","metaDescription":"TI Stellaris LM3S812-EQN50-C2 ARM Cortex-M3 MCU, 50 MHz, 64 KB Flash, 8 KB SRAM, 34 I/O, -40 to 105 °C, 48-LQFP. Obsolete — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"50MHz","title":"LM3S812-EQN50-C2","Series":"Stellaris® ARM® Cortex®-M3S 800","Package":"Tray","RAM Size":"8K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"I²C, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"34","Core Processor":"ARM® Cortex®-M3","Package / Case":"48-LQFP","Data Converters":"A/D 2x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S812","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/LM3S812-EQN50-C2/alternatives.json"},"ai":{"faq":[{"question":"Is LM3S812-EQN50-C2 obsolete?","answer":"Yes, the LM3S812-EQN50-C2 is obsolete. No further factory production is planned. The part is available only through surplus and independent distributor channels, sourced to order against an RFQ."},{"question":"What is the replacement for LM3S812-EQN50-C2?","answer":"Texas Instruments has not published an official direct replacement for the LM3S812-EQN50-C2. For a pin-compatible alternative within the Stellaris family, evaluate the LM3S811 or other LM3S8xx variants, but verify memory size, peripheral set, and availability against your firmware and BOM requirements. No guaranteed drop-in substitute is listed."},{"question":"What is LM3S812-EQN50-C2's core speed?","answer":"The LM3S812-EQN50-C2 runs at 50 MHz. That clock rate sets the timing margin for control loops, UART baud rate generation, and SPI transaction throughput in your design."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S812-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/LM3S812-EQN50-C2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:45.345Z","lastPublished":"2026-07-20T14:34:45.345Z","indexable":true}}