{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430FR4131IG56R","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430FR4131IG56R","canonicalUrl":"https://icboms.com/texas-instruments/MSP430FR4131IG56R","factsUrl":"https://icboms.com/api/mcp/products/MSP430FR4131IG56R","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430FR4131IG56R, MSP430™ FRAM series, 16-bit MCU, 16MHz, 4.5KB FRAM, 512 x 8 RAM, 52 I/O, I²C/SPI/UART, LCD driver, 56-TSSOP, -40°C to 85°C.","salesMarkdown":"## FRAM memory and LCD drive in one 16-bit MCU Its program memory uses 4.5 KB of FRAM — a non-volatile memory that writes at near-SRAM speed with essentially unlimited endurance, eliminating the need for a separate EEPROM in metering, display, or sensor-logging designs. ## Peripheral set for display and control With 52 general-purpose I/O pins and an integrated LCD controller, this MCU can drive segmented LCD panels directly — common in utility meters, thermostats, and portable medical devices. The brown-out detect and POR circuits ensure reliable startup in noisy or battery-discharge scenarios, while the watchdog timer and PWM outputs handle supervisory and dimming/actuator tasks without external glue logic. ## Active lifecycle — no near-term obsolescence risk For BOM planning, this removes the urgency of qualifying a replacement — though the MSP430 FRAM family includes pin-compatible density variants (e.g., 8 KB or 16 KB FRAM options) if firmware growth later demands more memory. The base product number MSP430FR4131 covers the whole series, simplifying cross-reference checks.","metaTitle":"MSP430FR4131IG56R 16-bit MCU, 4.5KB FRAM, 16MHz, 56-TSSOP","metaDescription":"Texas Instruments MSP430FR4131IG56R 16-bit MCU with 4.5KB FRAM, 512B RAM, 16MHz core, LCD driver, 52 I/O, -40°C to 85°C. Active lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"16MHz","Series":"MSP430™ FRAM","Package":"Tape & Reel (TR)","RAM Size":"512 x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, LCD, POR, PWM, WDT","Connectivity":"I²C, IrDA, SCI, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"52","Core Processor":"MSP430 CPU16","Package / Case":"56-TFSOP (0.240\\\", 6.10mm Width)","Product Status":"Active","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430FR4131","Program Memory Size":"4.5KB (4.5K x 8)","Program Memory Type":"FRAM","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"56-TSSOP","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.8748","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/dbbf23a4e60ee594de5e0dd102bb2969.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to MSP430FR4131IG56R?","answer":"Within the MSP430 FRAM series, higher-density variants such as the MSP430FR4133 (8 KB FRAM) or MSP430FR4135 (16 KB FRAM) share the same 56-TSSOP footprint and peripheral set, offering a firmware-growth path without board changes."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430FR4131IG56R","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430FR4131IG56R 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}}